Transmission range: 10 meters
Function: battery display, call function, voice control, support music, multi-point connection
Channel: stereo
Usage: hanging ear type
Whether single or double ears: unilateral hands-free
Color: 19 gun color Chinese version, T9 rose gold Chinese version, T9 silver Chinese version, T9 gun color English version, T9 rose gold English version, T9 silver English version, T9 matte black Chinese version, T9 matte black English version, T9 black Bright English version, T9 black bright Chinese version