【Ergonomic Wireless Mouse】The vertical wireless ergonomic mouse design conforms to 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 features 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 has a silent button design, making it more suitable for public places like libraries, dorms, offices, high-speed trains, and airplanes. The built-in lithium battery and USB data cable charging unit make your usage more modern and convenient. 【Long Lifespan - More Durable】The 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 fully charging the mouse). 【Strong Compatibility】Supports Windows 2000/ME/XP/7/8/10/Vista/98, Mac OS, Linux, etc. Suitable for Laptops, PCs, Notebooks, Computers, Macbooks, and other devices.