Wireless Version:Wireless V5.0
Working Voltage:DC 3.3V-4.2V
Speaker Diameter:Φ8mm x4
Frequency Response:20Hz-18KHz
Speaker Sensitivity:103dB±3dB
Mic Sensitivity:’-42dB±3dB
Carrier Frequency:2.4G-2.480GHz
Battery Capacity:130mAh
Playing Time:5H~6H
Talking Time:5H~6H
Working Current:≤20mA