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Color: Triple black, style: usb - R9S True Wireless Bluetooth Headset In-ear Earbud Sports Stereo

$10.50
Unit price  per 

Specification:
Product name: Twst19
Bluetooth version: Bluetooth 5.1
Speaker size: 10mm
Bluetooth transmission distance: 10 meters
Frequency response range: 20hz-20khz
Speaker impedance: 320+15%
Microphone sensitivity: 42db+3db
Signal to noise ratio: 258db


Packing list
Bluetooth headset*1


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