Aluminium Gaming Keyboard KB-1700g ARAI V2.0 Get a higher precision on your keystrokes with ARAI Ultra comfort, outstanding performance and attractive appearance ,excellent touch. Packed with gaming features and good looks, ARAI is designed to provide everything gamers need at a price that wont break the bank. Three kinds of rainbow colors backlighting adjustable Gaming keyboard design, 19 keys working with no conflict Winkey Locked functionKeyboard Size: 478(L) x 194(W) x 45(H) mm wight: 1134gr Keys : 104 Operation force : 55 ± 7g max Maximum use life : 10 million keystrokes Connection : USB Compatible with: Windows 2000/Vista/xp/2003/2007/Win7/Win8/Win10/Mac Mouse: Size: 129 x 86 x 40mm Buttons : 4 + scroll wheel Connection : USB Working Voltage : 5V Button Life: 10 million times Dpi: 1200-1600-2400-3200 7 color light Compatible with: Windows 2000/Vista/xp/Win7/Win8/Win10