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Color: Single display CD pattern blac, style: usb - R9S True Wireless Bluetooth Headset In-ear Earbud Sports Stereo

Unit price  per 

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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