With its split & sloped keyboard with adjustable reverse tilt and built-in wrist rest, the ergonomist-approved Pro Fit® Ergo Wireless Keyboard positions your hands for improved comfort. Features include dual wireless (2.4GHz and Bluetooth 4.0 LE) with 128-bit AES encryption, quiet typing, spill-proof keys, F-keys for shortcuts, caps lock, numbers lock & scroll lock, a three-mode power-saving switch and a replaceable receiver*. * In the event the receiver is lost or damaged, simply purchase a new one, pair it with your mouse and you’re ready. Ergonomist-approved design Positions your hand for improved comfort. Split and sloped keyboard with adjustable reverse tilt Positions hands, wrists and forearms for comfort and neutral alignment. Built-in wrist rest Supports, cushions and cradles the wrists. Dual wireless with 128-bit AES encryption The flexibility of 2.4 GHz and Bluetooth 4.0 LE, with government-grade encryption. Quiet keys For smooth, easy, non-disruptive typing. Spill-proof keys Make clean-up fast and easy. Replaceable receiver If your receiver is ever lost or damaged, simply purchase a new one, pair it with your mouse and you’re ready. Three-mode power-saving switch Allows you to toggle between 2.4GHz, Bluetooth and Off for best battery life. Caps lock, numbers lock, scroll lock and F-keys Popular features that make typing and navigating easier and more efficient.