ERGONOMIC - Rii ergonomic gaming keyboard with Laser-etched and grip coated keycaps. Suitable for both office working and gaming. RAINBOW RGB LIGHT UP - Rii backlit gaming keyboard have a rainbow back-light. Turn on or off the backlit light with the Light Key easily. DURABILITY KEYCAPS - Responsive keys adapt advanced laser carving process, no easy to fade. Comfortable hand feel and ultra-long durability lifetime, lifespan up to 10 million times. MULTIMEDIA KEYS - Standard 104 keys and 12 hot keys. Dedicated multimedia keys for controlling volume and music. COMPATIBILITY - Rii wired gaming keyboard is compatible with with USB port,Windows 10, Windows 8, Windows7, Windows Vista and Mac OS.