The Adesso 2.4GHz wireless ergonomic Mini keyboard & Mouse offer users two advanced input devices with ergonomic design, multi-functional features and a wireless range of up to 30 feet. The design of this keyboard with splitted key zones and gently sloped encourages natural position of hands, wrists, and forearm In maximum comfort for long use. Users can save space with the mini sizing design while enjoy the ergonomic shapes of the keyboard and mouse. The included wireless mouse not just provides comfort but also equips with a DPI switch for changing resolution (800/1200/1600) and two Internet navigation buttons.keyboard specifications: key layout: 87 key layout with embedded numeric keypadkey Type: membraneconnection: 2.4GHz RF wireless technologyindicators: caps lock, Num lock, Low batterymultimedia hotkeys: 7 hotkeys (play/ pause, stop, forward, backward, volume up, Volume down, mute)dimensions: 13.8? x 9.4? x 1.5? (350 x 239 x 38mm)weight: 0.77 lbs (350g)power 2 AAA batteriesmouse specifications: