BAKTH Unique Premium Wired LED Luminous Blue Backlight USB Gaming Keyboard + BAKTH Customized Large Mouse Mat Blue Luminous radium carved characters. Keyboard size: L475*W185*H20mm. System compatible: Win2000/2003/XP/Vista/7/8/10/Mac OS, PC compatible machine, iMac, Macbook. Just Press "Scroll Lock" can turn on/off the keyboard's backlit. 360 degrees waterproof design, wear-resisting and not fade. USB interface. Eight multimedia function keys: Fast Forward, Fast Backward, Pause, E-mail, Volume-increasing, Volume-decreasing, mute, Internet. Original "S" shaped keycap, light tap suitable for long time entertainment. Package contents: 1 x BAKTH blue luminous characters backlit keyboard; 1 x BAKTH customized mouse pad as free gift.