Bluetooth Version:V4.2
Transmission Channel:stereo(2-channel)
Radio Frequency:2402-2480MHz
Receiving sensitivity:-80
Maximum Transmission Distance: 10m
Working Current:22mA
Standby Current:1mA
Battery Capacity:55-60mAh
Charging Time:≤1.5h
Working Time:＞3h
Standby Time:＞24h
Battery Charging Current:＜80mA
Drive Unit:Ф13mm
Sensitivity:106±3dB
Impedance:16Ω
Frequency Response: 20Hz--20KHz
MIC Sensitivity: -42dB±3dB