The Innovera Hyper-Scrolling wireless mouse lets you quickly & accurately scroll through documents & web pages with the simple flick of a finger. Scroll lock button for precision scrolling. Works accurately on most any desktop surface. The ergonomic design & rubber surfaces ensure all day comfort & productivity. The 2.4 GHz plug-and-play dongle conveniently stores in the base of the mouse. Easy to reach forward & back buttons for easier document or web browsing. Includes two AAA batteries. Connector / Port / Interface: USB 2.0; Left / Right Hand Use: Right; Mouse Technology: Laser; Wired / Wireless: Wireless.