[High Precision Control] High Precision Control: The non-delay technology allows high sensitivity, provides up to 800 or 1200 or 1600 3 adjustable DPI levels, you can make them more precise for things like color correction and photo editing or browsing faster. [Vertical Ergonomic Design] Relieves wrist and hand tension and helps you keep away from carpal tunnel syndrome. [Smooth and Natural Feel] Made of material feels like human skin, gives the user the most comfortable feeling on the hands and avoids sweat and slipping. [Wide Compatibility] Plug and Play, fits well with most desktops or laptops with USB port to connect. Lightweight, simple and modern design, easy to carry, suitable for game, home, office, network, etc. 2.4 GHz radio control: no annoying cable, the radio transmission can be up to 10 metres long. The built-in rechargeable lithium battery with low power consumption can be used for up to half a month after full charging.