1Power Input : DC 5V 0.4A;
Frequency Response : 20Hz-20KHz;
Plug : USB+3.5m;
Speaker : Φ40mm, 32Ω±15%;
Speaker Sensitivity : 131dB±3dB;
Mic Size : 6*5mm;
Mic Sensitivity : -58dB±2dB;
Mic Type : Omnidirectional;
Mic Impedance : ≤2.2KΩ;
Cable Length : 2.5m