M80 2.4 Ghz Wireless 1600Dpi Three Speed Adjustable Optical Mute Mouse White

This product is a built-in lithium battery. You only need to set the bottom switch to the ON position, Remove the mini receiver installed in the bottom of the mouse, insert the computer's USB interface, Free code, plug and play., A charging cable is included in the package. When the cursor movement delay occurs, please insert the charging cable into the front end interface of the mouse to charge. Please try not to use it while charging