1.version of V4.0
2. talk time: 3 to 4 teev,
3.sawv ntsug: 120 teev,
4.them: 1-2 teev,
6, transmission distance:10minyuam
Tiv tauj peb:
Xov tooj:+86 755 25608673
Chaw nyob:Floor 8,huguang building,Longgang Road, Shenzhen Tuam Tshoj
Bluetooth headset stereo earphone rau txawb xov tooj txawb
