Vertical Mouse, Rechargeable 2.4G Wireless Ergonomic Mouse, 6 Buttons and 3 Adjustable DPI 800/1200/1600black Ergonomic Vertical Design - Ergonomically designed thumb rest and grips conform to the contours of your palm for maximum comfort. Ease of Use - Plug and play mouse, easy to use, no additional driver or software required. Six buttons give you more control over your computer system. High capacity rechargeable battery - Built-in rechargeable battery, no need to buy batteries again. Intelligent sleep and wake - The sleep function saves energy. = Extensive Compatibility - Compatible with Windows 7/8/10, XP, etc. (Not for MAC OS.
