A Technical Guide to Mini Smart Pos Terminal: Structure, Composition, and Applications

Types of Mini Smart POS Terminals

A Mini Smart POS Terminal (Point of Sale) is a compact, portable payment processing device that enables businesses to accept card, mobile, and contactless payments with ease. These terminals have revolutionized transaction handling for small and large businesses alike, offering flexibility, mobility, and seamless integration with smartphones, tablets, and business management systems.

Thanks to their compact design and advanced connectivity options, mini smart POS terminals are ideal for mobile vendors, pop-up shops, delivery services, cafés, and retail stores. They support secure, fast, and reliable transactions—enhancing customer experience and streamlining operations. Below is a detailed breakdown of the most common types of mini smart POS terminals available today.

Bluetooth Mini Smart POS

Connects wirelessly to smartphones or tablets via Bluetooth, enabling card and mobile wallet payments without cords or constant internet access.

Advantages

• Fully wireless and portable
• Low power consumption with long battery life
• Easy setup with most mobile devices
• Ideal for on-the-go businesses

Limitations

• Shorter range (typically up to 30 feet)
• May experience interference in crowded areas
• Limited to paired devices only

Best for: Food trucks, delivery drivers, outdoor markets, and mobile vendors

Wi-Fi Enabled Mini Smart POS

Equipped with built-in Wi-Fi to connect directly to a business’s network, supporting real-time transactions and integrated business tools.

Advantages

• Fast and stable internet connection
• Supports inventory management and sales reporting
• Integrates with CRM and cloud-based POS software
• Reliable for high-volume transactions

Limitations

• Dependent on Wi-Fi availability and strength
• Less mobile than Bluetooth models
• Requires network setup and security management

Best for: Cafés, retail stores, boutiques, and service centers

Dual-Mode (Bluetooth + Wi-Fi)

Combines both Bluetooth and Wi-Fi connectivity for maximum flexibility, allowing seamless switching between wireless and network-based transactions.

Advantages

• Highly versatile and adaptable
• Operates in both fixed and mobile environments
• Redundant connectivity ensures reliability
• Supports hybrid business models (in-store + delivery)

Limitations

• Slightly higher cost than single-mode terminals
• More complex setup and configuration
• Increased power usage when both modes are active

Best for: Multi-channel retailers, hybrid businesses, event vendors with variable locations

Mobile Data (4G/LTE) POS

Uses cellular networks (4G/LTE) to process payments in real time, independent of Wi-Fi or Bluetooth, making it ideal for remote or outdoor use.

Advantages

• Operates anywhere with cellular coverage
• No reliance on external Wi-Fi or pairing
• Real-time transaction processing
• Excellent for field service and delivery operations

Limitations

• Ongoing data plan costs may apply
• Signal strength varies by location
• Higher battery consumption

Best for: Field service technicians, delivery drivers, outdoor events, and rural vendors

USB-Connected Mini POS

Connects directly to a smartphone or tablet via USB cable, providing a stable, plug-and-play payment solution for fixed locations.

Advantages

• Stable and secure physical connection
• No battery or wireless pairing required
• Simple to use and maintain
• Cost-effective for basic setups

Limitations

• Limited mobility due to cabling
• Requires constant device connection
• Not suitable for mobile or outdoor use

Best for: Fixed retail counters, service desks, kiosks, and small shops

Contactless & NFC-Enabled POS

Leverages Near Field Communication (NFC) technology to accept tap-to-pay transactions from contactless cards and mobile wallets like Apple Pay and Google Pay.

Advantages

• Extremely fast transaction processing
• Enhances customer convenience and safety
• Supports modern payment methods
• Reduces physical handling of cards

Limitations

• Requires contactless-enabled cards or devices
• Potential for accidental taps if not secured
• May require firmware updates for new standards

Best for: Coffee shops, quick-service restaurants, convenience stores, and high-traffic retail

Type	Connectivity	Mobility	Speed	Best Use Case
Bluetooth	Wireless (Bluetooth)	High	Medium	Mobile vendors, delivery services
Wi-Fi Enabled	Wi-Fi Network	Low	High	Brick-and-mortar stores, cafés
Bluetooth + Wi-Fi	Dual-mode	Very High	High	Hybrid businesses, pop-up shops
Mobile Data (4G/LTE)	Cellular Network	Very High	High	Remote locations, outdoor events
USB-Connected	Wired (USB)	Low	Medium	Fixed counters, service centers
Contactless/NFC	NFC + Various	High	Very High	Fast-paced environments, QSRs

Expert Tip: For maximum reliability, choose a dual-mode or 4G-enabled mini POS terminal if your business operates in areas with inconsistent Wi-Fi. Always ensure your device supports EMV and PCI compliance for secure, fraud-protected transactions.

Key Features of Mini Smart POS Terminals: Revolutionizing Modern Payment Processing

Mini smart POS terminals have become essential tools for modern businesses seeking efficiency, mobility, and enhanced customer experience. These compact yet powerful devices combine advanced technology with user-centric design to support seamless transaction processing across diverse environments—from retail stores and food trucks to pop-up markets and delivery services.

Below is a comprehensive breakdown of the core features that make mini smart POS terminals a smart investment for small to medium-sized enterprises and mobile vendors alike.

1. Compact Size and Portability

Designed with mobility in mind, mini smart POS terminals are lightweight and ergonomically built for easy handling and transport. Their compact footprint allows merchants to operate from virtually any location without being tied to a fixed counter or power outlet.

Equipped with built-in rechargeable batteries, these terminals support untethered operations, making them ideal for on-the-go businesses such as food delivery drivers, event vendors, and field service providers. Their portability enhances customer engagement by enabling face-to-face payment processing, reducing wait times, and improving service flow.

2. Multiple Payment Options

Modern mini smart POS terminals support a wide array of payment methods, ensuring compatibility with evolving consumer preferences. These include:

• Credit and Debit Cards: Full EMV chip and swipe support for secure card transactions.
• Contactless Payments: NFC-enabled processing for tap-to-pay cards and digital wallets.
• Mobile Wallets: Integration with Apple Pay, Google Pay, Samsung Pay, and other popular platforms.
• QR Code Payments: Support for Alipay, WeChat Pay, and other regional digital payment systems.

By offering diverse payment options, businesses can cater to a broader customer base, reduce transaction abandonment, and enhance checkout speed—leading to higher conversion rates and improved satisfaction.

3. Wireless Connectivity

Bluetooth & Wi-Fi

Most mini POS terminals utilize Bluetooth to pair seamlessly with smartphones or tablets, turning them into fully functional point-of-sale systems. Wi-Fi connectivity allows for real-time transaction processing, instant receipt printing, and cloud-based data synchronization.

NFC & 4G/LTE (Advanced Models)

Higher-end models include NFC for contactless payments and embedded 4G/LTE modules for uninterrupted connectivity in areas with limited Wi-Fi access. This ensures reliable transaction processing even in remote locations or during network fluctuations.

This robust wireless infrastructure enables true mobility, empowering businesses to operate efficiently at festivals, farmers' markets, door-to-door sales, and outdoor dining setups.

4. Long Battery Life with Fast Charging

Built to last through full business days, mini smart POS terminals typically offer battery life ranging from 8 to 20 hours depending on usage intensity. This endurance ensures uninterrupted operations during peak hours or extended events.

Many models feature fast-charging capabilities, regaining significant charge in under an hour. Some also support hot-swappable batteries or external power banks, minimizing downtime. Energy-efficient components and intelligent power management systems further extend usability, making these terminals dependable even in high-volume environments.

5. Secure Transactions with Industry-Grade Encryption

Security is a top priority in digital payments, and mini smart POS terminals are equipped with advanced safeguards to protect sensitive financial data. Key security features include:

• PCI-PTS Certification: Compliance with global payment security standards.
• End-to-End Encryption (E2EE): Encrypts card data immediately upon reading, preventing interception.
• Tokenization: Replaces card details with unique tokens, reducing exposure to breaches.
• EMV Chip Support: Prevents counterfeit card fraud through dynamic authentication.

These measures not only protect customers but also help businesses comply with regulatory requirements and avoid costly data breach liabilities. Enhanced security builds trust, encouraging repeat transactions and brand loyalty.

6. User-Friendly Interface for Efficient Operations

Mini smart POS terminals are designed with intuitive interfaces that streamline the payment process. Most models feature responsive touchscreens with clear icons, simple navigation menus, and multilingual support.

The ease of use reduces training time for new employees and minimizes transaction errors. Real-time transaction feedback, visual prompts, and customizable layouts enhance operational efficiency. Additionally, integration with POS software allows for inventory tracking, sales reporting, and customer management—all from a single device.

Whether used by a seasoned cashier or a temporary staff member, the interface ensures consistent performance and a smooth customer experience.

Feature	Benefit	Ideal For
Compact & Lightweight	Easy to carry and set up anywhere	Mobile vendors, delivery services, pop-up shops
Multi-Payment Support	Increased customer satisfaction and faster checkout	Retail, hospitality, food trucks
Wireless Connectivity (Wi-Fi/Bluetooth/NFC)	Flexible deployment and real-time processing	Events, outdoor markets, field services
Long Battery Life + Fast Charging	Uninterrupted operations throughout the day	All-day operations, high-traffic venues
Advanced Security Protocols	Protection against fraud and data theft	Businesses handling sensitive customer data
Intuitive Touch Interface	Reduced training time and fewer errors	New hires, seasonal staff, multi-location teams

Important: Always ensure your mini smart POS terminal is updated with the latest firmware and security patches. Use only trusted networks and avoid public Wi-Fi for transaction processing. Partner with reputable payment service providers to maintain compliance with data protection regulations such as PCI DSS. Proper setup and maintenance maximize both security and performance.

Commercial Uses of Mini Smart POS Terminals

Mini smart POS terminals have revolutionized the way businesses process payments by offering compact, mobile, and highly functional solutions across various industries. These devices combine advanced payment processing capabilities with portability, enabling seamless transactions in dynamic environments. From retail to professional services, they enhance customer experience, reduce wait times, and improve operational efficiency. Below is a comprehensive overview of their key commercial applications.

Retail Stores

Mini smart POS terminals are ideal for retail environments where space is limited and speed is essential. Their compact design allows for easy integration into checkout counters, pop-up shops, or kiosks without cluttering the workspace.

• Supports contactless payments (NFC), mobile wallets (Apple Pay, Google Pay), and traditional card swipes
• Speeds up checkout times, reducing customer wait and increasing throughput
• Enables staff to process sales directly on the shop floor, improving customer engagement
• Cloud-based integration allows real-time inventory and sales tracking

Key benefit: Enhances customer satisfaction through faster, more convenient transactions

Food and Beverage Services

In restaurants, cafes, food trucks, and catering events, mini smart POS terminals streamline service by enabling mobile order-taking and payment processing at the table or counter.

• Waitstaff can take orders and accept payments directly at the table, reducing return trips to a central register
• Ideal for outdoor seating, drive-thru, and fast-casual setups where mobility is crucial
• Reduces queue times during peak hours, improving table turnover rates
• Integrates with kitchen display systems for accurate, real-time order management

Pro tip: Use waterproof or rugged models in high-moisture environments like bars or food trucks

Transportation and Delivery Services

For ride-sharing drivers, taxi operators, couriers, and delivery personnel, mini smart POS terminals enable secure, cashless transactions on the move.

• Connects via Bluetooth to smartphones or tablets, allowing payment processing from any vehicle
• Eliminates the need for cash handling, improving safety and reducing reconciliation errors
• Generates digital receipts instantly, enhancing professionalism and record-keeping
• Supports split payments and tip collection, improving customer service

Critical advantage: Increases trust and convenience for passengers and customers who prefer card or mobile payments

Event Management

At concerts, festivals, conferences, and sports events, mini smart POS terminals are essential for managing on-site sales of tickets, food, beverages, and merchandise.

• Portable and battery-powered, allowing staff to process payments anywhere within the venue
• Reduces long lines at fixed cash registers, improving crowd flow and attendee experience
• Supports offline mode in areas with poor connectivity, syncing data once back online
• Enables dynamic pricing and real-time sales reporting for better inventory control

Event pro tip: Pair with handheld scanners or barcode readers for ticket validation and quick entry

Professional Services

Freelancers, consultants, contractors, and home-service providers benefit from mini smart POS terminals by accepting payments immediately after service completion—on-site or remotely.

• Perfect for field service businesses like plumbing, cleaning, tutoring, or personal training
• Accepts payments via mobile app integration, enabling invoicing and payment in one step
• Builds professionalism with digital receipts and secure transaction records
• Improves cash flow by reducing delays in payment collection

Smart move: Use terminals with built-in receipt printers or email/SMS receipt options for added convenience

Emerging & Niche Applications

As digital payment adoption grows, mini smart POS terminals are finding new uses in innovative business models and underserved markets.

• Mobile Markets: Farmers' markets, flea markets, and street vendors use them to go fully cashless
• Healthcare: Clinics and mobile health units accept co-pays and insurance billing on the spot
• Education: Schools and training centers collect fees during workshops or field trips
• Nonprofits: Charities and NGOs use them for on-the-spot donations at campaigns or outreach events

Future trend: Integration with AI-powered analytics for sales forecasting and customer insights

Professional Recommendation: When selecting a mini smart POS terminal for commercial use, prioritize devices with strong encryption, EMV compliance, and reliable customer support. Consider models that offer multi-payment support (credit, debit, QR, e-wallets), long battery life, and seamless integration with popular business software like QuickBooks, Shopify, or Square. For businesses operating in remote or high-mobility environments, ensure the terminal supports offline transactions and automatic syncing.

Industry	Primary Use Case	Key Features Needed	Expected Impact
Retail Stores	Checkout & Sales Processing	Contactless payments, compact size, inventory sync	30% faster checkout, improved customer flow
Food & Beverage	Tableside & Counter Payments	Bluetooth connectivity, rugged design, receipt options	20% increase in table turnover
Transportation/Delivery	On-the-Go Payment Collection	Mobile pairing, GPS tracking, digital receipts	Reduced cash handling, improved safety
Event Management	Ticketing & Merchandise Sales	Battery-powered, offline mode, portability	50% shorter queues, higher sales volume
Professional Services	On-Site Client Payments	Quick setup, invoicing integration, secure transactions	Faster payment collection, improved cash flow

Additional Advantages of Mini Smart POS Terminals

• Cost-Effective: Lower upfront cost compared to traditional POS systems, with flexible subscription or pay-per-use pricing
• Scalable: Easily add more terminals as your business grows, ideal for multi-location or franchise operations
• Data Security: PCI-DSS compliant with end-to-end encryption to protect sensitive payment information
• Customer Insights: Generate reports on sales trends, peak hours, and popular items to inform business decisions
• Brand Image: Present a modern, tech-savvy image that builds trust and encourages repeat business

How To Choose the Right Mini Smart POS Terminal for Your Business

Selecting the ideal mini smart POS (Point of Sale) terminal is a crucial decision for modern businesses aiming to streamline transactions, enhance customer experience, and improve operational efficiency. These compact, intelligent devices are revolutionizing how small and mobile businesses handle payments. However, with a wide range of options available, choosing the right one requires careful evaluation of key features tailored to your specific business needs. This comprehensive guide explores the most important factors to consider when selecting a mini smart POS terminal, helping you make an informed and strategic investment.

Important Note: A mini smart POS terminal is more than just a card reader—it's a powerful tool that integrates payment processing with business management. Choosing the wrong device can lead to operational inefficiencies, increased costs, or poor customer experiences. Always assess your long-term business goals before making a purchase.

Key Factors to Consider When Choosing a Mini Smart POS Terminal

• Payment Options and Flexibility

  One of the primary reasons businesses adopt mini smart POS terminals is their ability to support multiple payment methods, offering flexibility and convenience for both staff and customers. The ideal terminal should align with your customers’ preferred payment behaviors.

  • Support for EMV chip cards, magnetic stripe, and contactless payments (NFC) such as Apple Pay, Google Pay, and Samsung Pay is essential in today’s cashless economy.
  • Consider whether your business needs QR code scanning, digital wallet integration, or even cryptocurrency support, depending on your market.
  • A terminal that supports diverse payment options reduces transaction friction, increases checkout speed, and improves customer satisfaction—especially in high-traffic or on-the-go environments like pop-up shops, food trucks, or delivery services.
• Battery Life and Charging Efficiency

  Battery performance is a critical factor, especially for mobile or field-based operations. The terminal must remain functional throughout your business hours without frequent recharging.

  • Look for terminals with battery life exceeding 8–12 hours under typical usage to support full shifts without interruption.
  • Fast-charging capabilities (e.g., 0–80% in under 30 minutes) are a significant advantage, minimizing downtime during busy periods.
  • For delivery drivers, event vendors, or service technicians, a long-lasting, reliable battery ensures uninterrupted service and prevents lost sales due to power failure.
  • Some advanced models offer swappable batteries or external power banks for continuous operation.
• Size, Portability, and Ergonomic Design

  Mini smart POS terminals are designed for mobility and ease of use. Their compact size makes them ideal for businesses that operate on the move or have limited counter space.

  • A lightweight, pocket-friendly design allows staff to carry the terminal effortlessly between tables (ideal for restaurants or cafes using tableside ordering).
  • Ergonomic features such as a comfortable grip, intuitive button layout, and responsive touchscreen enhance usability and reduce training time.
  • Durability matters—look for models with drop resistance, water resistance (IP54 or higher), and rugged construction to withstand daily wear and tear.
  • A sleek, professional appearance also contributes to brand image during customer interactions.
• Cost and Total Ownership Value

  While upfront cost is important, it's essential to evaluate the total cost of ownership (TCO), including hardware, software, transaction fees, and ongoing support.

  • Entry-level terminals may be affordable but could lack advanced features or integration options.
  • Premium models often come with enhanced security, faster processors, and better customer support—justifying a higher price tag for growing businesses.
  • Compare monthly subscription fees, per-transaction charges, and any hidden costs (e.g., PCI compliance fees, gateway charges).
  • Consider leasing or financing options if upfront investment is a concern, but ensure the long-term cost aligns with your revenue model.
• Integration and Software Compatibility

  A truly smart POS terminal should seamlessly integrate with your existing business systems to unlock maximum efficiency.

  • Ensure compatibility with your inventory management, CRM (Customer Relationship Management), accounting, and sales reporting software (e.g., QuickBooks, Shopify, Square, or Zoho).
  • API access or native integrations allow real-time data synchronization, reducing manual entry and minimizing errors.
  • Cloud-based terminals enable remote access to sales data, employee management, and reporting from any device.
  • Look for terminals that support regular software updates and offer customizable dashboards tailored to your business needs.

Feature	Why It Matters	Recommended Specs	Best For
Payment Methods	Impacts customer convenience and transaction success rate	EMV, NFC, QR, Mobile Wallets	Retail, Food Trucks, Events
Battery Life	Ensures uninterrupted service during long shifts	8–12+ hours, Fast Charging	Delivery, Field Services, Pop-ups
Portability & Build	Affects usability and durability in dynamic environments	Lightweight, IP54 Rating, Ergonomic	Restaurants, Mobile Vendors
Total Cost	Determines long-term affordability and ROI	Low TCO, Transparent Fees	Startups, SMBs
System Integration	Enables automation and data-driven decisions	API, Cloud Sync, CRM/Inventory Support	Growing Businesses, E-commerce

Expert Tip: Before finalizing your choice, request a demo or trial period from the provider. Testing the terminal in real-world conditions—such as during peak hours or in outdoor settings—can reveal usability issues or performance limitations that aren’t apparent in product descriptions.

Additional Considerations for Optimal Selection

• Security: Ensure the terminal is PCI-PTS certified and supports end-to-end encryption (E2EE) and tokenization to protect sensitive card data.
• Connectivity: Choose between Bluetooth, Wi-Fi, or built-in 4G/LTE based on your operating environment. Reliable connectivity ensures smooth transaction processing.
• Customer Support: Access to responsive technical support and troubleshooting resources can minimize downtime and frustration.
• Scalability: Select a terminal that can grow with your business—supporting additional users, locations, or features as needed.
• User Training: Opt for systems with intuitive interfaces and available training materials to reduce onboarding time.

Choosing the right mini smart POS terminal is not just about processing payments—it's about enhancing your entire business operation. By carefully evaluating payment options, battery life, design, cost, and integration capabilities, you can select a solution that improves efficiency, boosts customer satisfaction, and supports long-term growth. Whether you're running a small retail shop, a mobile service, or a growing e-commerce business, the right POS terminal can be a powerful asset in your success toolkit.

Frequently Asked Questions About Mini Smart POS Terminals

Q1: What is a mini smart POS terminal?

A mini smart POS (Point of Sale) terminal is a compact, advanced electronic device designed to process payments quickly and securely. Unlike traditional bulky cash registers, these lightweight terminals integrate modern technology to offer mobility and flexibility for businesses of all sizes.

They support short-range wireless communication technologies such as Bluetooth, Wi-Fi, and NFC (Near Field Communication), enabling seamless connectivity with smartphones, tablets, and other devices. Their small size makes them highly portable, ideal for on-the-go transactions—perfect for food trucks, pop-up shops, delivery services, or any environment where staff need to move around while accepting payments.

Many models also feature built-in rechargeable batteries, touchscreens, and intuitive software interfaces, enhancing usability in dynamic retail or service settings.

Q2: Which payment methods can a mini smart POS terminal process?

Mini smart POS terminals are designed to accommodate a wide range of modern payment methods, ensuring businesses can meet diverse customer preferences. These include:

• Card Payments: Accept both chip-and-PIN and magnetic stripe credit and debit cards.
• Contactless Payments: Support tap-to-pay options using NFC-enabled cards or devices (e.g., Visa PayWave, Mastercard Contactless).
• Mobile Wallets: Compatible with popular digital wallets like Apple Pay, Google Pay, Samsung Pay, and others.
• QR Code Payments: Some models allow scanning QR codes for app-based payments (common in regions like Asia with Alipay or WeChat Pay).
• Digital Invoicing & Online Payments: Integration with cloud-based systems enables sending electronic receipts and collecting payments via email or SMS links.

This versatility eliminates the need for physical cash handling, speeds up checkout times, and enhances the overall customer experience by supporting the payment methods people use most today.

Q3: How secure are mini smart POS terminals?

Security is a top priority for mini smart POS terminals, especially since they handle sensitive financial data. To protect against fraud and data breaches, these devices employ multiple layers of advanced security protocols:

• End-to-End Encryption (E2EE): Encrypts payment data from the moment it's entered until it reaches the payment processor, making it unreadable to hackers.
• Tokenization: Replaces sensitive card information with unique digital tokens, so actual card details are never stored on the device or transmitted through the network.
• PCI DSS Compliance: Adheres to the Payment Card Industry Data Security Standard, a globally recognized security framework that ensures safe handling of cardholder data.
• Secure Boot & Firmware Updates: Prevents unauthorized software modifications and ensures the system runs only trusted code.
• User Authentication: Many models require PINs, biometrics, or login credentials to access administrative functions.

Together, these features create a secure transaction environment, giving both merchants and customers confidence in every payment processed.

Q4: Can mini smart POS terminals be used outdoors?

Yes, mini smart POS terminals are particularly well-suited for outdoor and mobile use due to their portability and robust design. Key features that make them ideal for outdoor environments include:

• Rechargeable Battery: Powers the device for several hours (typically 8–12+ hours depending on usage), allowing uninterrupted operation at markets, festivals, or delivery points without access to power outlets.
• Wireless Connectivity: Built-in Bluetooth and Wi-Fi enable real-time transaction processing even when away from a fixed internet connection—some models also support cellular data.
• Durable Build: Many units are designed with splash-resistant or rugged casings to withstand dust, moisture, and minor drops.
• Portability: Lightweight and compact, they easily fit in a pocket or bag, making them perfect for food vendors, event ticketing, door-to-door sales, and field service technicians.

Whether you're running a roadside stand or managing an outdoor concert, a mini smart POS terminal offers the freedom and reliability needed for seamless payment processing anywhere.

Q5: How do mini smart POS terminals help in fast service scenarios?

In fast-paced environments like cafes, quick-service restaurants, or busy retail counters, every second counts. Mini smart POS terminals significantly enhance operational efficiency by streamlining the payment process:

• Rapid Transaction Processing: With support for contactless and mobile payments, transactions are completed in seconds—faster than traditional card swipes or cash handling.
• Lightweight & Ergonomic Design: Easy to hold and operate, reducing strain and increasing speed during high-volume periods.
• Integration with POS Software: Syncs with inventory, sales tracking, and customer management systems, enabling quick order entry and real-time reporting.
• Reduced Queue Times: Faster checkouts mean shorter lines, leading to improved customer satisfaction and higher throughput during peak hours.
• Offline Mode Capability: Some models can store transactions locally and sync once connectivity is restored, preventing downtime in areas with unstable internet.

By minimizing delays and simplifying payment workflows, mini smart POS terminals help businesses maintain smooth operations, reduce wait times, and deliver a more professional and efficient customer experience.