【Ergonomics - Wireless Mouse】Vertical wireless ergonomic mouse design fits the size and contour of your palm, reducing pressure on your palm and making your control of the wireless mouse more comfortable and natural. 【Efficient and Sensitive - Easy to Use】The ergonomic mouse has 6 practical buttons, plug and play; adjustable 800/1200/1600 DPI mouse speed. Optical tracking technology offers higher sensitivity than standard optical mice, for smooth, precise tracking on a variety of surfaces. [Silent Design and Trendy Charging] The wireless mouse features a silent button design, which is more suitable for public places such as libraries, dormitories, offices, high-speed trains, and airplanes. Built-in lithium battery and USB data cable charging device makes your use more modern and convenient. 【Long Lifespan - More Durable】High-quality optical wireless mouse has been tested for over 5 million mouse clicks. The rechargeable function makes this wireless mouse more durable. (It is best to use it after receiving the mouse fully charged) 【Strong Compatibility】Supports Windows 2000/ ME/ XP/ 7/ 8/ 10/ Vista/98, Mac OSS, Linux, etc. Suitable for laptops, desktops, notebooks, computers, Macbooks, and other devices.