Bluetooth Protocol: A2DP AVRCP HFP HSP
Battery: 3.7V 60mAh
Charging Power: 5V/80mAh
Sensitivity: 103db +/- 3dB
Impedance: 32Mw
Transmission Distance: 10m barrier-free
Frequency: 2.4GHZ
Talk Time: About 4 hours
Listening to Song Time: About 5 hours
Standby Time: About 160 hours