Adjustable Wrist Rests - PERIBOARD-330 is a set of keyboard and an attachable wrist rest raiser with magnet technology to adjust to three different typing angles for a relaxed and personalized typing experience. 12 Multimedia Keys - Featuring 12 multimedia and hotkey functions for more productivity and efficiency. Additional USB Ports - Convenient design with 2 extra USB ports to connect to your input devices. The perfect solution for limited USB ports on your laptop or PC. Illuminated Keys - Beautiful and adjustable white backlighting for easy to see keys; Suitable for working environment with dimmer lighting 4-way Tilt Scrolling - Easily scroll up and down, left to right the pages and applications with the integrated scroll-wheel that can scroll four ways System Requirements - Windows 7, 8, 10 and later versions Dimensions - 18.23 x 8.94 x 1.54 inches Cable - 5.9 ft