USB C connectivity - easily connect to your USB-C equipped computers and devices Adjustable DPI button: easily switch between 800 1300 and 1600 DPI; 2 4Ghz wireless connection for lag-free performance PC and Mac Compatible Blue LED technology allows for use on virtually any surface with precision and control; Plug-and-forget nano receiver connects mouse to computer Ergonomic design and Contoured shape with easy-grip surface fits comfortably in your hand. Includes 1 x AA Battery. Verbatim has been a trusted brand since 1969 and guarantees this product with 1 year limited warranty and technical support