WIRELESS HEADSET

Bluetooth version: V5.1 Battery: 3.7V, 300mAh Horn: 40mm Playback time: 20 hours Talk time: 15 hours Standby time: about 30 hours Charging time: 2.5 hours Function: Bluetooth playback, AUX audio jack Charging interface: Type-c Wireless working range: 10m Horn sensitivity: 105dB @ 1KHz Impedance: 64 Ω Horn frequency: 20Hz-20KHz Material: ABS+PC material+PU leather earmuffs