BAKTH Unique Wired Luminous Adjustable 3 Color (Dark Blue / Light Blue / Green) LED Backlit USB Gaming Keyboard + BAKTH Customized Large Mouse Mat Island-style keys. Waterproof design. Size: 435*170*26mm. Braided wire with magnet ring, USB interface. 3 colors backlight, and adjustable brightness. The usage of the FN function: Press "Fn+Tab" can adjust the keyboard three color (dark blue, light blue, green). "Fn+Esc" can adjust the brightness of the keyboard backlit (four brightness levels: non-barightness, weak-brightness, strong-brightness, breath-brightness). 12 multimedia keys: Mute, Refresh, Pause, Volume-decreasing, Volume-increasing, Home, e-Mail, Key Lock, Winlock and other three speed key. 19 key don't conflict, the Fn function show the unique powerful design: "Fn+F11" Lock or unlock all key functions; "Fn+F12" Lock or unlock "Win" button with cyclic switching. The "FN" key can response key speed: Press "Fn+F1", Key moment response speed: 21 characters per second(80/s); Press "Fn+F2", Key moment response speed: 32 characters per second(60/s); Press "Fn+F3", Key moment response speed: 63 characters per second(40/s). Package contents: 1 x BAKTH three color backlit keyboard; 1 x BAKTH Palm Rest; 1 x BAKTH customized mouse pad as gift.