Awei A300BL Wireless Headphones Bluetooth 5.3 With Mic

Awei A300BL Wireless Headphones Bluetooth 5.3 With Mic Sports Gaming Super Deal Colorful Light Headset HiFi Stereo Earphones

Feature:
Bluetooth version: 5.3 (AC6925F)
Soundtrack: stereo 2.0
Supported protocols: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, L2CAP
Play time: 7h (lights on) 12h (lights off)
Charging time: 2.5H
Charging voltage: DC 5V
Frequency response range: 2.402~2.480GHz
Transmission distance: ＞10 meters (barrier free )

Speaker Specifications:
Diameter: 40mm*2
Sensitivity: 118+/-3dB
Impedance: 32Ω
Microphone parameters:
Sensitivity: -42+/-3dB
Impedance: 2.2KΩ