"Bluetooth version: V4.1 + EDR
Support: AVRCP, A2DP, HSP, HFP, apt-x
Chip: CSR8635
Talking time: 4 hours
Standby time: 150 hours
Range: 10 m
Charging time: 50 minutes
Charging voltage: DC5V
Charge: use the Micro 5pin interface
Multi-point connection: connect two phones at the same time
Weight: 16.5 g
Battery capacity: 65 mAh
Playing music duration: 3 hours and 50 minutes"