This Kensington Pro Fit set consists of a wireless keyboard and mouse for your computer. Thanks to the ergonomically sound design, you will be more comfortable while working. The inclined, split keyboard with adjustable counter-tilt and integrated wrist rest provides support and a neutral posture. The keys are both noiseless and spill-resistant. The wireless keyboard is dual wireless with 128-bit AES encryption and features a power switch with 3 positions: 2.4 GHz, Bluetooth 4.0 LE and Disable. The wireless mouse is equipped with a scroll wheel and 5 buttons. Supplied with USB receiver, 2 AAA batteries and 1 AA battery.