The OEM Pro Fit Mid-size Wireless Mouse in Graphite Gray is designed for travel convenience with its compact size. It features an ergonomic right-handed design, clutter-free wireless technology, and a storable nano receiver. The 2.4 GHz wireless connection provides a long range with minimal interference, while the high-definition optical sensor (1750 DPI) ensures responsive control. With an extended battery life lasting up to 12 months, this mouse is built to last and is compatible with Windows 8.