1.version of V4.0
2. talk time: 3 to 4 ora,
3.standby time: 120 ora,
4.charging time: 1-2 ora,
6, transmission distance:10m
Hifandray aminay:
Telephone:+86 755 25608673
Lahateny:Floor 8,huguang building,Longgang Lalana, Shenzhen China
Bluetooth headset stereo earphone for mobile phone
