Touch F9 wireless binaural bluetooth headset TWS5.0 $ 10.07 Transmission range 10 meters Function Power display, call function, NFC function, voice control, support music, multi-point connection Bluetooth protocol 5.0 Channel stereo How to use earplug Whether single or double ear, bilateral stereo Color 1 classic black, 2 classic white, 3 black and white, 4 classic black
