Free Shipping Headphones Wireless Neckband Headset Stereo in-Ear Earbuds with Mic for Running M21

Feedback Ratings
  • 2-9 Pieces
  • 10-49 Pieces
  • 50-999 Pieces
  • >=1000 Pieces
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Shipping fee:
Depends on the order quantity.
Lead Time:
7 day(s) after payment received
Customized logo (Min. Order: 100 Pieces)
Customized packaging (Min. Order: 100 Pieces)
Contact Supplier
Samples - $6.00 /Piece, 1 Piece (Min. Order): Buy Samples
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Quick Details
Brand Name:
Model Number:
Mobile Phone
Bluetooth, Microphone, Noise Cancelling, Waterproof
Place of Origin:
Guangdong, China (Mainland)
Cord Length:
BT version:
Chip Model:
Frequency response:
Mic grams wind size:
Mic grams wind sensitivity:
Working hours:
>4 hours
Standby time:
100 hours
Charge current:
Battery Type Polymer Battery:
110mAh 3.7V

Packaging & Delivery

Selling Units:
Single item
Single package size: 
20X15X2.4 cm
Single gross weight:
0.145 kg
Package Type:
20pcs/carton weight 3.4KG outer box size; 43*22*24CM
Picture Example:
Lead Time :
Quantity(Piece) 1 - 5000 >5000
Est. Time(days) 7 To be negotiated

Free Shipping Headphones Wireless Neckband Headset Stereo in-Ear Earbuds with Mic for Running M21

Product Description


BT version V4.2
Chip Model WT200-s
Frequency response 20Hz-20KHz
Sensitivity 105dB/±3dB
Mic grams wind size Φ4.0*1.5mm
Mic grams wind sensitivity -42dB/±3dB
Output power 20mW
Audio output
Operating voltage 3.3V-4.2V
Working hours >4 hours
Standby time 100 hours
Charge current 60mA
Battery Type Polymer Battery 110mAh 3.7V
Charging voltage DC_5V Mini USB
Applicable products BT master device or built-in BT device
The main function Wireless BT data transmission, wireless call, wireless music player
The main material ABS environmental protection raw materials
Surface treatment Spray UV Varnish or according to customer requirements
Packing size according to customer needs
Carton size according to customer needs


Detailed Images


Company Information




Q1:How Can I send inquiry ?
A: When you click our products, and think is right for you , you can directly send your information to us.


Q2:what's the MOQ of your products?Can I make a sample order.

A:MOQ:100pcs,Samples order to test are also available.


Q3:How to proceed if I want to print my logo?

A:First,please offer your logo design drawing and position of LOGO.Next,we will make a sample for your confirmation.Finally we will go ahead for mass production according to confirmation sample.


Q4:What about your packaging?Can you offer OEM packaging?

All products come with neutral retail packaging.We can offer OEM packaging and manual according to customer's request.


Q5:Do you accept drop shipping?

Yes,it's available.


Q6:What's the lead time?

A:For samples is 3-5 days,mass production time is 10-25 days(depend on your order quantity).


Q7:What’s the warranty of your products?

A:one year warranty.


Q8:What can I do if there is any defective products?

If there is defective during warranty time,please collect them together and send back to us,we will repair or offer free replacements to you,and each bear half of the freight.


Q9:How to place order?

A:Send your orderlist to me.I will make a proforma invoice with bank details for your confirmation.Will arrange your order after received your payment.

Our Services

What we can do:


1.All of our products have proceeded aging test before shipment and we guarantee to use our products safety.

2.Support imprint your logo on products and let your logo shine anywhere.

3.OEM/ODM orders are warmly welcome!


Warranty and Return:

1.All products and accessories have been tested by three times before ship out.

2.All products have one year warranty. If there is no man-made problems,we will replace or repair for your freely.

3.We own the best after-sale service. If any problems happen, our team will do our best to solve for customers.


Contact details

Shenzhen Yagelong Technology Co.,Ltd

Name:Amy Xv


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