Bluetooth version: V4.1 

Support: A2DP, Headset, Hands-stereo

Battery capacity: 85mH with protection board

Calling time: about 8 hours

Standby time: about 220 hours

Music time:about 6 hours

Effective distance: 10 m / 32.81 ft (1 for 2 Bluetooth headset)

Charging time: about 2 hours

Charging voltage: DC 5V

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