Targus Ultralife Wireless Mouse for Ultrabooks, PCs and Macs (AMW064US) Compatible with PC, Mac and Ultrabooks. Windows XP, Windows 7, Windows 8, Mac OS X v10.4 or later Compact and sleek design ideal for use at home, in the office or on the road Laser sensor; 2 buttons with scroll wheel Low battery indicator light Nano wireless receiver attaches to bottom via magnet Comes with 1 AA Battery