Specification: Model: ONIKUMA K8 Impedance: 32ohm Driver diameter: 50mm Sensitivity: 105±3dB Impedance: 32Ω±15％ Frequency range: 20~20000 Hz LED working voltage: DC5V +/- 5% Headset interface: USB (plug the USB connector, LED light is on, unplug for off) + 3.5mm stereo audio and mic plug Cable length: Approx. 2.2m / 7.22ft MIC dimension MIC: 6.0x2.7mm MIC sensitivity: -42±3dB Mic impedance: 2.2KΩ Plug: 3.5mm (CTIA standard) Product Size: Approx. 20.5 * 18 * 9cm / 8.07 * 7.08 * 3.54in Product Weight: Approx. 365g / 12.85oz Package Size: Approx. 21.5 * 18 * 10cm / 8.46 * 7.08 * 3.93in Package Weight: Approx. 478g / 16.89oz Package Contents: 1 × Gaming Headset 1 × 1-to-2 Adapter 1 × User Manual (English)