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The MP3 Bluetooth Module Decoder Board is a compact, versatile electronic module designed for audio playback and connectivity. Supporting WAV, WMA, and MP3 formats, it operates on 3.7V-5V power and includes a built-in 32GB memory. Certified to BQB standards, it ensures reliable Bluetooth connectivity. Its FR-4 PCB construction and modular design enable customization for DIY projects, embedded systems, or portable audio devices.
| Feature | Specification | Benefit |
|---|---|---|
| Audio Formats | WAV, WMA, MP3 | Compatibility with multiple file types |
| Built-in Memory | 32GB | Stores thousands of songs locally |
| Bluetooth Certification | BQB | Ensures seamless pairing with devices |
| Power Supply | 3.7V-5V input voltage | Flexible power source compatibility |
| Connectors | 3.5mm audio jack, Micro USB | Supports wired audio and USB programming |
| PCB Material | FR-4 | Durable and heat-resistant construction |
| Battery Life | 20 hours (typical use) | Long playback duration for portability |
| Microcontroller | Custom-programmable IC | Enables firmware updates and customization |
Adjust capacitors (e.g., 100uF/10V) or add power management components to optimize voltage handling. Reprogram the microcontroller’s firmware to tailor features like audio processing or Bluetooth protocols.
Turn this module into a portable speaker, a custom audio interface, or an embedded system controller. Its open design and programmable IC let you adapt it to unique projects, from home automation to wearable tech.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Memory Capacity | 16GB | 32GB | 64GB |
| Battery Life | 15 hours | 20 hours | 25 hours |
| Certifications | BQB | BQB + RoHS | BQB + RoHS + FCC |
| Bluetooth Version | v4.2 | v5.0 | v5.3 |
| Max Output Power | 3W | 5W | 8W |
Technical Breakthroughs:
Version Selection Guide:
With BQB certification, you can ensure seamless Bluetooth connectivity. The Pro model’s 8W output delivers 20% higher power than industry standards, making it perfect for portable speakers. Customize the Base Model’s firmware to meet niche project needs.
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