SW-B92

Product parameters:

Bluetooth version: 5.0
Speaker: 40mm 
Battery capacity: 250mAh
Support: HFP,HSP,A2DP,AVRCP
Transmit range: 10m
Working time: about 8hours
Charging time: about 2hours
Charging voltage & current: DC5V 0.5A
Charge interface：Mirco USB
Support 3.5mm Aux cable
Impedance：32Ω
Max SPL：110dB
Frequency：20Hz-20KHz
Sensitivity:102dB at 1kHz   
Microphone sensitivity：-40±5dB