Blue Track technology Microsoft Blue Track technology combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. Plug-&-go nano transceiver Leave the Nano Transceiver plugged in when you're on the go, or stow it in the mouse. On/off switch Conserve more battery power by turning your mouse off when not in use. Comfortable in either hand Use your mouse with your left or right hand
- ambidextrous design makes it comfortable either way.