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Multi-sound Quality HD Decoding H21B Bluetooth TWS headset
| 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 |
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.
*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.
The following is the process you should take to complete your order through bank to bank transfer:
1. Please go to your bank (through online banking, ATM or going into a branch) and complete the transfer of money. Make sure that the amount you transfer is the exact total of your order. Payment details below:
The tailoring and handling time is the number of business days we will take to process your items before shipping them. This processing includes order verification, item manufacturing, quality checking and packaging. This does not include the shipping time.