With a split & sloped keyboard with adjustable reverse tilt built-in wrist support and neutral grip the ergonomist-approved Pro Fit Ergo Wireless Keyboard and Mouse positions your hands for improved comfort. Features include dual wireless (2.4GHz and Bluetooth 4.0 LE) with 128-bit AES encryption quiet typing and clicking spill-proof keys F-keys for shortcuts caps lock numbers lock and scroll lock low battery indicator lights a five-button (including forward and back) mouse three-mode power-saving switches and a replaceable receiver*. * In the event the receiver is lost or damaged simply purchase a new one pair it with your mouse and youre ready.Ergonomist-approved designPositions your hand for improved comfort.Split and sloped keyboard with adjustable reverse tiltPositions hands wrists and forearms for comfort and neutral alignment.Built-in wrist supportSupports cushions and cradles the wrists.Dual wireless with 128-bit AES encryptionThe flexibility of 2.4 GHz and Bluetooth 4.0 LE with government-grade encryption.Quiet clickingFor smooth easy non-disruptive operation.Spill-proof keysMake clean-up fast and easy.Replaceable receiverIf your receiver is ever lost or damaged simply purchase a new one pair it with your mouse and youre ready.Five mouse buttons (including forward and back)Enhance navigation and productivity.Three-mode power-saving switchAllows you to toggle between 2.4GHz Bluetooth and Off for best battery life.Caps lock numbers lock scroll lock and F-keysPopular features that make typing and navigating easier and more efficient.