Link: http://www.bestbuy.com/site/olspage.jsp?type=product&id=1218179
BlueTrack technology
Works on nearly any surface for wide-ranging use.
Ambidextrous design
For comfortable left- or right-handed use.
2.4GHz wireless connectivity
For uninterrupted operation.
Nano transceiver
Can be left plugged into your laptop when you're on the go for easy
portability.
PC and Mac compatible
For simple connection to your computer.
Operates on a single AA alkaline battery (included)
With a built-in battery indicator to keep you informed of how much charge is
left. On/off switch lets you save power when the mouse is not in use
