Bluetooth version :V4.2+EDR (BES)
Support : A2DP, AVRCP, HFP
Speaker :32Ω ,6MM
Working voltage: 3.1V~4.2V
Headphone battery capacity :40mAh
Charging capacity :500MA
Range :10M
Talking /PlayingTime :3-4H
Headset charging:30-45Minutes
Battery charging :1-2 H