Awei Wireless Bluetooth Headphone with Cool Led Light

Bluetooth version: 5.0

Battery capacity: 400mAh

Charging time 2.5h

Play time: 7h (turn on light) 12h (turn off the light)

Channel system: stereo 2.0

Support protocol: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, L2CAP

Charging voltage: DC 5V

Frequency range: 2.402 ~ 2.480GHz

Transmission distance: about 10 meters (barrier-free)

Micro-SD card/built-in FM

Diameter: 40mm X 2

Sensitivity: 118 +/- 3DB