Open wearable Wireless headphone with light
Bluetooth version：V5.4
Frequency response:20Hz-20KHz
Speaker senstivity:102dB±3dB
Speaker size：40mm
Impedance: 32Ω
Wireless distance: ≥10m
Battery capatity: 400mah
Working time：about 25hours (don't turn on the light)
Type-C Charging cable included
