2.4G Wireless Rechargeable Vertical Mouse Plug&Play Black

2.4G Wireless Technology. It ensures the stable connection and free you from the twisting cables., 3 Adjustable DPI Levels. 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., Rechargeable Design. With built-in lithium battery, it ensures long time working. Besides, you can also charge it with USB cable. Free from low battery., Optical Tracking Technology. It ensures more correct location.