Ergonomic Split Key Design - A full-size keyboard with a curved design that separates the keys into several clusters to optimize the placement of the left and right hand to reduce bending your wrist outwards while typing; 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; Featuring 12 multimedia and hotkey functions 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 Slim Design - Curved keytop geometry with a naturally arched shape and integrated adjustable palm rest stand that promotes a neutral wrist position on a slim design with low profile keys; A height of 39 mm. 2 Built-in USB ports.