Specifications Model: G2000 FOR: COMPUTER PC (can not be used for mobile phones/ps4 without audio converter from 2 jack to 1 jack (not included)) Driver diameter: 50mm Impedance: 16 ohm Sensitivity: 105dB Frequency range: 15Hz-20KHz Mic dimension: 6.0 x 5.0mm Mic sensitivity: -38dB+3dB Mic impedance: 2.2k ohm Directivity: All Directional Cable length: Approx. 2.1m LED working voltage: DC5V Working current: Below 100mA. Headset interface: 2 JACKS 3.5mm 2 PIN FOR PC + USB FOR LED LIGHT & VIBRATION Power: 0.1W x 2 Vibration: 30mm.