The Tru-Form MAC USB Keyboard with Touchpad makes it easier than ever to control your computer. Simply glide your finger over the surface of the pad and gently tap on the pad. The split-key design helps to move the arms away from the torso to alleviate upper body and shoulder stress, while the contour, or sloping curve, helps the wrists and hands to align in a more natural position. Features: Built in Touchpad acts as your mouse. Left and Right mouse buttons on touchpad. Contoured, split key design for ergonomic comfort. Two additional bus powered USB ports. Built in wrist support. Split space bar, one for each hand. High quality membrane key switches. Double-injection keycaps for extended wear. Separate cursor keypads. Power OFF button. 15 Function Keys. Dual ALT, SHIFT and CONTROL keys. LED indicators for Num Lock, Caps Lock and Scroll Lock. Specifications: Dimensions: 20.5" x 9.5" x 2". Operating System - Apple Mac OS 9.2 or later. 3 Year Warranty.