| Speaker diameter: 50mm Impedance: 16ohm±15% Sensitivity: 114dB±3dB Frequency: 20-20000Hz Mic dimension: 6.0 * 2.7mm Mic sensitivity: -36dB +/- 1dB Mic impedance: 2.2kohm Directivity: Omni-directional LED working voltage: DC5V +/- 5% Working current: Below 100mA Headset interface: USB +1 X3.5mm Jack |