Product information:
Product model: Wireless Bluetooth headset
Working voltage: 3.3v-4.2v
Battery capacity: 50mah / 280mah
Standby time: about 300 hours
Transmission range: 2.40GHz 2.48ghz
Communication distance: effective distance: 15m
Specification: 62x40x27mm
Bluetooth version: V5.1 + EDR
Usage time: 3-4 hours
Horn type: 8% copper ring moving coil
Sensitivity: 98dB + 3dB
In ear method: oblique in ear fitting ear contour
Packing list:Wireless Bluetooth headset*1