AULA Unicorn Backlit Mechanical Keyboard with Multi-color LED Illuminated Gaming Computer Keyboard ERGONOMIC DESIGN KEYBOARD Ergonomic integrated large and comfortable palm and wrist rest, which allows you to reduce hand fatigue crisp. Maximize the comfort of your hand to meet the needs of a long-time game or work. Keyboard Size:18.4(L) x 8.6(W) x 1.6(H) inches, weight: 2.6 lbs. MECHANICAL BLUE SWITCH KEYS AULA gaming keyboard made of mechanical blue switch ,which means that your keyboard has a ultra-long durability lifetime, perfect for all gamers. This version has no LED backlit. WINDOWS LOCK FUNCTIONALITY The Win-lock key with independent indicator allows you to disable the Windows key and prevent accidental activation of the Windows Start function during gaming session. 12 MULTIMEDIA FN KEYS KEYBOARD 104 keys gaming keyboard, 12 combinations of multimedia keys (F1~F12) , all these keys are designed for professional gaming experience. You can enjoy high-speed game response and smooth game operation. PC GAMING KEYBOARD COMPATIBILITY  PC wired gaming keyboard is compatible with Windows 10, Windows 8, Windows7, Windows Vista and Mac OS.