--Support Bluetooth-compatible 5.0, which has lower power consumption, Faster transmission speed, No delay in calls, Strong anti-interference. --Support listening to songs, support HFPV1.5 and HSPV1.1, office appearance. --Start the power supply: when using Bluetooth-compatible, press and hold the f..
--Support Bluetooth-compatible 5.0, which has lower power consumption, Faster transmission speed, No delay in calls, Strong anti-interference. --Support listening to songs, support HFPV1.5 and HSPV1.1, office appearance. --Start the power supply: when using Bluetooth-compatible, press and hold the f..