BAKTH Unique Premium Illuminated LED Backlit Multimedia Wired USB Gaming Keyboard US Layout + Customized Large Mouse Mat Blue and green[special keys] Luminous radium carved characters. Keyboard size: L480*W200*H34.5mm. Keyboard size: L496.5*W210.8*H36mm 14 Multimedia Keys: Fast Forward, Fast Backward, Pause, Volume-increasing, Volume-decreasing, Home, Refresh, MC, Search, KeyLock, WinLock and other three speed keys. Smart FN functions: press "Fn+Esc" can adjust the brightness of the keyboard backlit [four brightness levels: non-brightness, weak-brightness, strong-brightness, breath-brightness. Waterproof design, USB interface. System compatible: Win2000/2003/XP/Vista/IBM/7/8/10, PC, iMac, Macbook. Easy to use, just plug and play, no need to install anything. Package contents: 1 x BAKTH Three Key Area Monochromatic Blue Backlighting Keyboard; 1 x BAKTH Customized Mouse Pad as Gift.