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Bluetooth chip and Bluetooth version: 4.1
Bluetooth protocol: A2DP AVRCP HFP HSP
Battery: 3.7V 60mAh
Charging power: 5V/80mAh
Sensitivity: 103db +/- 3dB
Impedance: 32Mw
Transmission distance: 10m without barrier
Frequency: 2.4GHZ
Talk time: about 4 hours
Listening time: about 5 hours
Standby time: about 160 hours
