Specifications:
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 7 Days Warranty (If there are any Manufacturing Defects)