The Wireless Mobile Mouse 1850 is designed for life on the go, offering wireless freedom and built-in transceiver storage for ultimate mobility. Comfortable to use with either hand and a scroll wheel for easy navigation makes this mouse the ideal device for your modern, mobile lifestyle. This Microsoft mouse has a plug-and-go nano transceiver which plugs into a USB port, enabling wireless usage at home or on the go. ALL you have to do is plug it in and it\'s ready for use with no installation required. The 1850 Mouse runs off one AA battery for up to six months, providing long-lasting use before it needs replacing. With three programmable buttons, including a scrolling wheel, you can navigate your laptop or desktop with ease when using the Microsoft Wireless Mobile Mouse 1850.