Micro Innovations 4230100 EasyGlide Wireless PC/Mac Compatible Optical Mouse: * Textured side grips provide comfort and accuracy * Contour design is comfortable for right and left handed users * Plug-and-forget nano receiver stores in the base of the mouse * Optical sensing technology promotes battery life up to 8 months * Up to 30" wireless reception range * On/off switch * Ideal for traveling * PC and Mac compatible * Batteries not included