(1) Power Input: DC 5V 0.4A
(2) Frequency Response: 20-20KHZ
(3) Plug: USB
(4) Speaker: Φ40mm*32Ω*19μ
(5) Speaker Sensitivity: 117dB±3dB
(6) Mic Size: 6*2.7mm
(7) Mic Sensitivity: -42dB±2dB
(8) Mic Directivity: Omnidirectional
(9) Mic Impedance:≤2.2KΩ
(10) Mic Frequency Response: 50HZ-15KHZ
(11) Cable Length: 2.7M