The vertical R-Go HE Basic mouse has a curved shape that follows the natural position of your hand. This ensures that your hand has a relaxed position while using the mouse. The vertical design is intended to stimulate the mouse movement advised by ergonomists from your forearm. This prevents physical complaints such as RSI. The mouse features a special support area for the thumb and little finger, so that all fingers are supported. This wireless mouse can be easily connected via Bluetooth.