1.[Plug & Play / Wide compatibility]The wireless mouse comes with a USB adapter (the USB adapter is plugged next to the battery compartment), plug it into your PC's USB port and get started. No driver installation is required. compatible with Win11, Win10, Win8, Win7, and Mac OS,vertical mouse is the choice for people who use computers for extended periods of time. 2.[3 Adjustable DPI / 2.4GHz Stable Connection]3 DPI setting,1200/1600/2400DPI. By using the DPI button, you can easily adjust the sensitivity of the mouse to meet your different needs. 2.4 GHz wireless (not Bluetooth) provides a powerful, stable connection. 3.[Energy Saving & LED Lighting ]The wireless mouse is powered by two AA batteries (not included). equipped with an energy-saving chip, so you don't have to worry about frequently replacing the batteries.The LED lights will bring you a more beautiful visual experience and an interesting working atmosphere. 4.[Ergonomic Mouse]The vertical ergonomic design can enhance the comfort of using the mouse,it allows the wrist to be in a natural extended state, reducing the burden on the wrist and forearm and effectively alleviating the wrist pain caused by long-term mouse use. The surface of the mouse is made of skin-friendly material, providing you with a comfortable grip and a soft touch. It is especially suitable for workers who need to use a computer for a long time in their daily work.