About this item 5 Direction JoystickThis Vertical mouse features a joystick controlled by the thumb,allowing for forward,backward,left,right,and downwardmovements. BY default,it is set to correspond to the keyboard keys W,S,A,D,and the spacebar,you can also customize the settings to your liking Ergonomic MouseErgomomically designed with a vertical shape,this product will not strain your wrists and arms during prolonged use,unlike traditional product.The vertical design provides better support for your forearm,minimizing wrist pain caused by twisting,to a maximum extent Adjustable DPI Function5-level DPI adjustment,1500/2500/4000/7000/10000DPI, you can easily adjust the mouses movement speed with the DPI settings,This mouse also adapted PMW3325 photoelectric chip.Perfect for games and office. 11 Programmable Buttons Computer mouse11 programmable buttons--All mouse buttons can be customized using software, allowing you to tailor it to your own gaming mouse with personalized settings Wide CompatibilityCompatible with Win11, Win10, Win8, Win7, Mac OS and other operating systems.Widely used in games, offices,NOTE: Programming software is not fully available for Mac.