Pro Fit Mid-size Wireless Mouse for PCs and Macs offers a compact size that is perfect for travel convenience. Ergonomic right-handed design offers clutter-free wireless technology and storable nano receiver, complementing mobile laptop usage. The 2.4 GHz wireless delivers long range with minimal interference. Scroll wheel with middle button and pointer speed quick-select allow easy navigating. High-definition optical sensor (1750 dpi) offers responsive control. Extended battery life lasts up to 12 months. Mouse is built to last and is compatible with Windows 8.