PocketMouse Wireless Mobile Mouse makes the perfect companion for mobile laptop usage with a compact size for travel convenience, but works just as well with a desktop PC. Wireless technology and precise control deliver clutter-free productivity. High-definition optical sensor (1000 DPI) provides responsive control. Ambidextrous design also offers plug-and-play convenience, a scroll wheel with middle button for easy navigation, on/off switch, a low-battery indicator, and storage for the included, wireless nano USB receiver. PC and Mac compatible PocketMouse is built to last and includes an AA battery.