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