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Category: Bluetooth Headsets |Brand: AWEI
1. Bluetooth version: 5.0 2. Battery capacity: 400mAh 3. Charging time 2.5h 4. Play time: 7h (turn on the light) 12h (turn off the light) 5. Channel system: stereo 2.0 6. Support protocol: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, L2CAP 7. Charging voltage: DC 5V 8. Frequency range: 2.402 ~ 2.480GHz 9. Transmission distance: about 10 meters (barrier-free) 10. Micro-SD card/built-in FM 11. Diameter: 40mm X 2 12. Sensitivity: 118 +/- 3DB