Material : metal+ plastic Key number：104 key The product type : Luminous game keyboard Interface : USB plug and play Type: Wired Mouse Buttons: 7 buttons with scroll wheel. Max DPI: 5500 DPI Adjustable : DPI Switch: 1600-2400-3200-5500DPI Switch Life: 5 million cycle System support Windows xp/Vista/Win7/8/10 Mac OS X