X-2 104 Key LED Backlit Backlight Illuminated Ergonomic Business Office Laptop Keyboard Computer Multimedia Competing Gaming USB Port Wired Pc Keyboard for Hp Samsung Lenovo Dell Thinkpad Asus Acer [ Blue Backlit ] Backlight system, don't have to turn on the lights to see the letters. Smooth ergonomic design and high buttons, tapping keys, such as the piano. Heavy metal backplane design, pure gaming keyboard! Large drain holes, true waterproof weapon!