about this item:

Experience the ultimate in comfort, sound quality, and convenience with the Awei AT7 True Wireless Headphones. Charging interface type c Bluetooth version: 5.4 Channel system: stereo Battery capacity: 600mAh Charging time 2.5h Playtime ≈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 Get your Awei AT7 True Wireless Headphones today and discover a new world of comfort, sound quality, and convenience!