Kuiyin Crack Rainbow Backlit Keyboard colorful LED Illuminated Gaming PC Keyboard with Spill-Resistant Design Each button is clearly visible at night,the LED backlight is very cool Non slip texture high-end more taste;High elastic game button;Waterproof,nine drainage hole design. Crack Rainbow flare gives you a different fighting mood. One Scroll Lock Key to call SMOOTH OPERATOR Please be kindly noted that the backlit controlled by Scroll Lock Key doesn't support OSX System,but the keyboard can still work Unique Crack Rainbow Color backlit design and Spill-Resistant design, perfect matchs your workspace