The Ergo Compact Keyboard QWERTY is a compact ergonomic keyboard. During simultaneous use of keyboard and mouse, the hands will always remain within shoulder width. This gives the shoulder and elbow naturally relaxed positions which will help prevent strain complaints such as RSI (Repetitive Strain Injuries).This keyboard has a special LED feature that warns you when it's time for a break using the LED colors. The Hygienic silicone keyboard cover is designed to fit the R-Go Compact Break keyboard. Easy to shake off dirt, to rinse, to clean in the dishwasher