[. . . ] [. . . ] Featuring a precision 1200 dpi optical engine, Navigator 900X provides great cursor control and is designed with unsurpassed power saving technology using just one AA battery. With the latest 2. 4 GHz RF technology you get improved operating range for up to 10 meters and minimal interference, which is ideal for office clusters. Also for complete portability and ease-of use, the USB receiver can be stored within the mouse body, makes carrying much more convenient. For a trendy mouse with 2. 4GHz RF freedom and precision control there is nothing better than Navigator 900X. [. . . ] [. . . ]