Ultra-thin and Light, Compact Design, 13.94"* 5"* 0.89", only 520g, thinner and lighter than traditional mechanical keyboard. Latest Kailh Blue Switch -- Low Profile Switches, 11.5mm switch height, 6mm ultra-thin suspended keycap, 3mm key travel creates unique mechanical feel. Unique Ice Blue LED Light, Multiple Backlight Modes, Fn+F1-F5 for Customizing, Fn+F12 for Saving Your Setting, Fn+F6-F11 for Presetting Modes.