The Xtrike Me Mk-503 Kit Features A Durable Wired Keyboard With Rainbow Backlighting. Its Shockproof Design Includes Suspended Keycaps For Easy Maintenance. The Kit Also Includes A Wired Optical Gaming Mouse With 6 Buttons, 7 Backlight Colors, And Dpi Switch Options. Compatible With Windows Xp Onwards Via Usb 2.0 Plug-And-Play Interface. Product Specifications: Keyboard, Mouse Keyboard Keys: 112 Switch Type: Membrane Switch Rating: 10 Million Presses Key Route: 4.0 ± 0.3Mm Operating Force: 55 ± 10G Backlight: Mixed Color (Rainbow) Interface: Usb 2.0 Cable Length: 1.5 M Size: 460X 195 X 33Mm Os Support: Windows Xp Or Newer Mouse: Sensor: Optical Dpi: 800/1200/2400/3200 Buttons: 6 Switch Rating: 3 Million Clicks Backlight: 7 Colors Interface: Usb 2.0 Cable Length: 1.5M Os Support: Windows Xp Or Newer