[. . . ] [. . . ] Latest 2. 4 GHz RF technology: Provides improved operating range and minimize interference occurred; ideal for office clusters. More, complete portability and ease-of use, the USB receiver can be stored within the hidden compartment of mouse body, makes carrying much more convenience. Plus ScrollToo 800 provides real plug & play feature, manual connection is no longer needed with factory preset wireless connection. Dates available Mass production: Mar, 2009 Chain store retailer MSRP$ 26. 9 Non-chain store retailer MSRP$ 29. 9 For a trendy mouse with 2. 4GHz RF freedom and precision control there is nothing better than ScrollToo 800. [. . . ] [. . . ]