Accommodates a wide range of humans From small to tall and body types in between, the Freestyle2 allows for maximum flexibility catering to each individual's unique needs. Narrow foot print for comfortable mousing and keying. At only 15 3/8 inches wide the Freestyle2 provides for close placement of any pointing device reducing over reach issues. Pivot Tether Both modules are connected together by a flexible pivot tether allowing an infinite range of splay and greatly reducing ulnar deviation. Slide Release Button Each keyboard module incorporates a slide release button that allows the attachment of both the pivot tether and the Incline Accessory. Provides total separation of both keyboard modules Disconnecting the privot tether allows up to eight inches of complete separation of both left and right keying modules. Perfect for individual needs ranging from a narrow footprint to complete separation. This design greatly reduces and/or eliminates ulnar deviation one of the leading causes of discomfort and pain while typing. Also available is a custom version that offers up 20 inches of separation. Sleek, low profile design Most keyboards including ergonomic models have a 10 degree positive slope from front to back. These designs tend to bend your wrists (extension). The Freestyle2 has a zero degree slope which minimizes the height, effectively creating negative slope and reducing wrist extension. 2-Port 2.0 USB Hub The 2-port 2.0 USB hub enables you to easily connect other input devices such as mice without having to access USB ports on your computer. Left Side Driverless Hot Keys Driverless hot keys for commonly used mouse actions. (Internet Page Forward and Back, Beginning of Line, End of Line, Cut, Undo, Copy, Select All and Paste). Top Row Driverless Hot Keys Like the new iMac keyboards plus more! Esc/force quit, Brightness, Exposé, Dashboard, Play Audio, Audio Volume, Dock, Eject & Off/Sleep (not shown).