1. Wireless specification: Wireless V4.1 CSR, support protocol Headset
Hands-free A2DP Avrcp
2. Charging voltage DC5V; charging time: 2.5 hours; call/music time: 15
hours; standby time: 340 hours
3. Battery capacity: 170mAH
4. Size: L61 × W16 × H21mm; Weight: 11g
5. Battery display <Support for Apple phones and some Android phones>