this kotion each g9000 is a primary kind of gaming headset, which brings you vivid sound field, sound clarity, sound shock feeling, capable of various games. led lights are designed with cool light effect on the earcups, making it more fashionable and stylish. its super soft over-ear pads is very comfortable for long time wearing, and it is a great headphone for game player. specifications: brand name: kotion each model: g9000 driver diameter: 40mm impedance: 22ohm sensitivity: 105db ? 3db at 1khz frequency response: 15hz-20khz mic dimension: 6.0 * 5.0mm mic sensitivity: -38db ? 3db led working voltage: dc5v ? 5% headset interface: 3.5mm + usb (usb for led light) cable length: approx. 2.2m / 7.22ft color: black-red, black-blue (optional) headphone size: approx. 21.5 * 20.0 * 9.0cm / 8.5 * 7.9 * 3.5in headphone weight: 330g / 11.64oz package size: 23.6 * 22.0 * 9.7cm / 9.3 * 8.7 * 3.8in package weight: 538g / 18.98oz package list: 1 * kotion each g9000 gaming headset