Vertical Mouse, 2.4G Rechargeable Upright Ergonomic Mouse with 3 Adjustable DPI Levels, RGB Fluorescent Light, Plug-in & Play, Gray

2.4G BT Wireless Technology. It ensures the stable connection and free you from the twisting cables. 3 Adjustable DPI Levels. There are 3 DPI levels --- 800,1600,2400. Free to switch. It offers you a pleasant sensation of higher speed, less delay and more correct location. Ergonomic Vertical Design. Compared with traditional mouse,the vertical design relieves the fatigue of your wrist,and offers you comfortable feeling for touch. Plug and play. No drivers required, just plug USB receiver into USB port of the device, easy to use. Long Working Time. With built-in large-capacity battery, you can use it for a long time. And it is rechargeable, no need to change battery repeatedly.