Ergonomic Vertical Design] Unique vertical ergonomic computer mouse with special volute bionic design reduces arm discomfort and hand stiffness.This series is designed for large hands. [ Lighting and Software Setting] With lighting, offer you a marvelous working experience (Note: if want to turn On or Off the lights, please find the switch at the bottom of the mouse). With the Memory Setting Driver, all keys are programmable, setting the lighting effects mode and creating any macro, just set and all the settings would be stored [Removable Wrist Rest] humanized wrist rest design, let your forearm and vertical mouse be a whole part and make your wrist lift from the ground and rest on the comfortable pad which protects your wrist from friction when moving the mouse [5 Adjustable DPI] 800-1200-1600-2400-4000 5 gear DPI, which would be easily shifted according to your daily working requirement by the dotted switch in the bottom, with 4000 DPI, even could use it as the ergonomic gaming mouse [All DELUX products include 12 months warranty and free lifetime technical support] [Wide Compatibility]: Compatible with Windows XP, Vista, 7, 8, 10 operating system. Fits for different devices, Laptop, PC Computer, Notebook, Macbook(limited supports to Mac, the side button and driver are not available for Mac) (Compared with traditional mouse, with unique ergonomic vertical design, it may take a few days to get used to using it)