A-jazz AK30 Plus Black Backlit Keyboard - Red/Blue/Purple Illuminated Keys - Gaming Style Sollid 3.6lbs Design - Rubber Painting Surface - 20 Million Key-press Lifecycle - Brightness Control Wheel - 6 Feet Long Cable - Adjustable 104 standard keys/ 19 keys without conflict/ 12 multimedia keys/ 2 input speed adjusting gear/ The WASD keys and Arrow keys can swap functions/ WIN keys can be disabled in the game Laser engraved keys and never wear technology/ 1000 grams of the vertical pullout force/ 55 grams of key pressure grams Button durability 30 million clicks/ Extreme cable durability/ antislip surface/ comfortable ergonomic design. System Requirements PC with PS/2 port. Windows 8/ Windows 7/ Windows Vista/ or Windows XP Nonslip design Game ergonomic Strengthen the spacebar/ born for game