1.version of V4.0
2. talk time: 3 to 4 ure,
3.bystand tyd: 120 ure,
4.charging time: 1-2 ure,
6, transmission distance:10m
Kontak Ons:
Telephone:+86 755 25608673
adres:Floor 8,huguang building,Longgang Road, Shenzhen China
Bluetooth headset stereo earphone for mobile phone
