M570 Wireless Trackball Mouse

Stable, sculpted trackball. Scroll Wheel. Back/Forward buttons. Programmable buttons. Advanced 2.4 GHz wireless up to 10 meters (30 feet). Adjustable laser sensor. Tiny storable wireless receiver. Unifying technology to connect up to six compatible wireless devices with one receiver. For Windows 10, 8, 7, Vista, RT, Mac OS X 10.5 or later, Chrome OS. Plug & play. Uses 1 AA battery (included). 3-year limited warranty.