Kensington ProFit Mid-Size Right-Handed Wireless Mouse with Nano Receiver: * Compact size for travel convenience * Clutter-free wireless technology and storable nano receiver * Ergonomic right-handed design * 2.4GHz wireless for long range with minimal interference * Scroll wheel with middle button and pointer speed quick-select * Built to last with a limited lifetime warranty * Extended battery life up to 12 months * High-definition optical sensor (1750 dpi) for responsive control