Product Description Microsoft Ergonomic Keyboard - keyboard - black Device Type Keyboard - ergonomic Interface USB Hot Keys Function Calculator, volume, search, mute, lock computer, play/pause, previous track, next track, favorites, music Numeric Keypad Yes Colour Black Dimensions (WxDxH) 48.77 cm x 26.24 cm x 6.07 cm Weight 1.02 kg Manufacturer Warranty 1-year warranty