[Ergonomic Vertical Design]: Unique vertical ergonomic computer mouse with special volute bionic design reduce arm discomfort and hand stiffness [RGB Lighting & Software Setting]: With RGB Chasing lighting, offer you the marvelous working experience (Note: if want to turn On/Off the lights, please find the switch in the bottom of the mouse). With the Memory Setting Driver, all keys programmable, setting the lighting effects mode and creating any macro, just setting and all the setting would be stored [Removable Wrist Rest]: humanized wrist rest design, let your forearm and vertical mouse to be a whole part and make you wrist lift from the ground and rest on the comfortable pad which protect you wrist from friction when moving the mouse [5 Adjustable DPI]: 800-1200-1600-2400-4000 5 gear DPI, which would be easily shift 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 [If you have any questions, just contact us, We Are Here!][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 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)