model:  kotion each g2000cable length: approx. 2.2m / 7.22ftpackage content: 1 * kotion each g2000 headphone 1 * english user manualspecifications:model: kotion each g2000driver diameter: 50mmimpedance: 32ohm sensitivity: 114db +/- 3db frequency range: 20-20khzmic dimension: 6.0 * 5.0mmmic sensitivity: -34db +/- 3dbmic impedance: 2.2kohmdirectivity: omnidirectionalled working voltage: dc5v +/- 5%working current: below 100maheadset interface: usb (plug the usb connector, led light is on, unplug, it off) + 3.5mm stereo cable length: approx. 2.2m / 7.22ftheadphone size: approx. 18.5 * 10.5 * 20.5cm / 7.3 * 4.1 * 8.1inheadphone weight: 383g / 13.5ozpackage content:1 * kotion each g2000 headphone1 * english user manual