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Multi-sound Quality HD Decoding H21B Bluetooth TWS headset

Multi-sound Quality HD Decoding H21B Bluetooth TWS headset

Make listening beautiful
Qualcomm QCC3040 I CVC 4 Mics Calling Noise Cancellation
Transparent Mode I Multi-sound Quality HD Decoding
SKU: #001 - In Stock
USD$79.99 USD$59.99 (% Discount)
Wholesale Price:
Qty Price
1-60 USD$33.00
60-480 USD$29.00
480-960 USD$28.00
960- ∞ USD$27.00

Product Parameter

Product name: H21B Bluetooth TWS headset
Charging box size: 52x 52x 27.5mm
Headphone size: 34 x 24x 16mm
Bluetooth version: Bluetooth 5.2
Speaker size: 10mm composite diaphragm
Charging interface: Type-C
Communication distance: 10 meters (barrier-free open environment)
Headphone weight: 3.5g (weight of single earphone)x2
Charging box weight: 34g
Headphone battery capacity: 35mA
Battery capacity of charging box: 300mA
Use time of single earphone: About6 hours
Duration of charging box: About 24 hours
Supporting agreement: aptX/aptX- adaptiveSBC/AAC/A2DP/AVRCPHFP/HSP

Product Features

QCC3040+Bluetooth 5.2

-Qualcomm chip
Adopting Qualcomm QCC3040 chip to enhance transmission stability,reduce the sound delay.
Equipped with Bluetooth 5.2 technology.Stronger signal connection,longer transmission distance.
CVC 4 Mics Calling Noise Cancellation+Knowles Silicon Microphones=Communicate clearly in noisy environments.

-Transparent Mode
Whether it is the sound of car horns on the roadside or face -to-face communication,you can communicate clearly even with headphones on.

-Multiple Audio Decoding
Various high-definition audio decoders such as aptX Adaptive/AAC/SBC support higher resolution
-while increasing the resource compression rate, and strengthen the restoration of sound quality with a higher decoding rate.

-30 Hours Long Lasting
Support fast Charging
A single earphone can play music continuously for 6 hours when fully charged, and the charging
box can charge the headset for 24 hours. Charge for 15 mins and will last for 2 hours. Will easily meet the needs of a day.

-Multi-function Touch Buttons
Just touch the headphone covers, you can easily control the phone, switch music / call voice assistant and other functions.

Packing List

*Headphones and charging box*1
*Headphone cap*3 pairs S/M/L(Including earphones with ear caps)
*Charging cable*1
*Instruction Manual*1

Why choose us?
We have our own ID, MD, Acountic, RF, Electronics engineers for all OEM/ODM/OBM projects with our own mold design engineers and fabrication factory, plastic injection factory with spraying facility, metal folding factory with oxidating coloring capability, SMT, assembly and test factory, 30 R&D engineers including audio tuner, sound chamber designer, ID, MD, software and hardware engineers. We research and develop innovative Bluetooth audio products.


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