Awei At7 Bluetooth Headphone Gdp1056

Bluetooth version: 5.4 Channel system: stereo Battery capacity: 600mAh Charging time 2.5h Play time ≈70h Call time ≈40h Horn diameter: 40mm Horn impedance: 32Ω Horn sensitivity: 121±3dB Best transmission distance: <1m Maximum transmission distance: 10m Bluetooth operating frequency: 2.402GHz~2.480GHz Wearing method: head-mounted Charging interface: Type-C