Item Type: One Handed Gaming Keyboard Material: ABS Model: K13 Colour: Black Number of Keys: 35 Keys No Punch: 14 Keys Without Punch Interface Type: USB Line Length:Approx. 1.5 Meters / 59.1in(Manual Measurement Allows Errors) Light: 3 Color Backlight Method: Wired System Support:For Win95,for Win 98,for XP,for 2000,for ME,for Vista 7,for Vista 8,for Vista 10 Waterproof Keyboard: Can block accidental splashes of liquid, and the waterproof effect is good, so you no longer worry about spilling it when you use it. Three Colors Backlight: Single hand keyboard uses three color backlight, USB cable, and plug and play, easy to use. 35 Keys: One handed gaming keyboard adopts 35 keys design, compact structure, small size, does not take up too much space, and is convenient to carry. Ergonomic Design: Wide palm rest design, suitable for large and small palms, the curved shape of the palm rest, comfortably fits and relieves pressure on the wrist. Anti Slip Design: The rubber anti slip foot pad can ensure that the keyboard is not easy to move during , which can satisfy the player's comfortable experience.