description this membrane keyboard takes the gaming experience to a new level. tactile, responsive membrane keys and the frameless, brushed abs panel put you in control for an outstanding typing or gaming experience.   specifications: brand name:zerodate voltage: 5v /100 ma material: abs + metal panel operation style: membrane press the number of keys: 104 keys keycap type: punk circular suspension keyboard line length: 1.5m multimedia button: support delivery mode: colorful mixed ligh transmission method: usb interface system requirements: windows 98 / me / 2000 / xp / vista / win 7 / win8 / 10/vista mac os or latest. keyboard net weight: approx.696g keyboard size: approx.45 x 13.6 x 2.6cm/17 x 5 x 1in packing weight: approx.852g packing size: approx.46.2 x 16.3 x 3.9cm/18 x 6.4 x 1.5in   package included: 1 x gaming keybord 1 x user manual