Compact size for travel convenience clutter-free wireless technology and storable Nano receiver Ergonomic right-handed design has scroll wheel with middle button and pointer speed quick-select 2.4 GHz wireless for long range with minimal interference High-definition optical sensor (1750 DPI) for responsive control Extended battery life up to 12 months Compatible with Windows 10, Windows 8, Windows 7, Mac OS X and later Compact size for travel convenience clutter-free wireless technology and storable Nano receiver