Feature: 1. The vertical mouse adopts ergonomics to lie upright on the side, so that the arm is in a natural extension state. 2. Adopt 2.4G wireless transmission technology and 10 meters lossless operation, easy to use. 3. Wireless mode to get rid of many troubles such as long mouse cable knots, messy and inconvenient portability. 4. 1000 mAh polymer lithium battery, support side charge change. 5. 800/1200/1600/2400 4 levels of DPI are freely adjustable, and one‑key switching is achieved through the DPI button. Specification: Item Type: Vertical MouseMaterial: ABS Resolution: 800/1200/1600/2400 4 speed adjustable Lighting Settings: RGB streamer, automatic sleep Buttons: Left button, right button, forward button, back button, scroll wheel button, DP1 button Connection Mode: 2.4G wireless mode Operating System: For Windows XP/7/8/10 OS X Battery: Built-in lithium battery, 1000 mA How to Use: 1. Insert one end of the attached charging cable into the USB port of the computer and one end into the DC socket on the front of the mouse. When in use, plug the mouse receiver into the USB port of the computer, and then push the switch under the mouse to the No position to use. 2. Make sure that the charging time is more than 1 hour, and the mouse can be used normally when charging. 3. The mouse is not flexible and may need to be charged when the distance is shortened.. Package List: 1 x User Manual 1 x Data Line1 x Receiver (at the bottom of the mouse)1 x Mouse Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.