●【Wireless Mouse & Ergonomic Design (Right Hand)】 Vertical mouse designed with an ergonomic, natural handshake posture for a more natural, comfortable hand position for smoother movement and less overall stress, reducing muscle strain and wrist stress ●【Three-stop DPI Switching】The wireless vertical mouse provides three adjustable DPI settings (800/1200/1600), which can be programmed according to your specific needs, and can be easily used for office and game design. ●【High efficiency and energy saving】Ergonomic mouse with replaceable battery design, easy to replace batteries, only two AAA batteries, energy saving and long battery life. ●【Wide Compatibility】: The wireless ergonomic mouse is well compatible with most system including Windows 7 / 8 / 10, XP, ME, 2000, Mac OS X 10.4, Vista and Linux. Fit for Notebook, PC, Laptop, Computer, desktop, Macbook and other device ●【Perfect Gifts】Perfect christmas gift for men women mom dad daughter wife boyfriend grandparents grandma grandpa teenage boy girl sister teacher brother coworker neighbor husband.Customer Satisfaction: 30-day Free Return and Refund,12-month warranty for wireless mouse,24-hour Response Time for Customer Issues