Cool Blue LED Illuminated Backlight USB Multimedia Keyboard (3 Colors) Video,http://youtu.be/OpdBmtkEBPA High Quality Strengthen the spacebar Special three colors LED backlightevery backlight have four gear to adjust. The keyboard can be used multimedia function.When you need to use a small keyboard, please open the " Num Lock " button. The hand design six angle awn antiskidLaser carving characters, cool backlight luminous keyboard, the fuel injection, Non-slip design ergonomic