BAKTH Rainbow Backlit Illuminated LED Light Multimedia Wired Gaming Keyboard and Mouse Sets Combos for PC Computer Games + Large Mouse Mat (New Version) Gaming Keyboard and Mouse set: comfortable ergonomic and splash-proof design. Sweatproof and anti-slip surface. Small key sound. Surface frosted of keyboard for more comfortable touch Sense. Led rainbow backlit keyboard: 104 Laser carving keys. Press "light bulb" Key to turn on/off backlit. Press "FN + light bulb key" To change the mode to breathing backlight. It is key Gaps backlight, not character backlight. Press "FN + F1 to F12" For multimedia function. Good USB connectors. Supports MacBook, Windows 7, 8, 10, Vista, XP or later operating System. Backlit feature can works well with Mac OS (new version). Optical gaming mouse: 2 adjustable DPI (1000, 1600); ergonomic design; USB interface, 1.45M rubber cable. Both keyboard & Mouse are plug & play, very convenience to use. Package Contents: 1 x rainbow color LED light keyboard, 1 x seven color backlit gaming mouse, 1 x durable mouse pad (free gift).