Logitech® Desktop system Desktop System, Keyboard/Mouse, Cordless Innovative keyboard design is flatter to give you a consistent desktop look as well as an amazingly high level of comfort, ensuring a perfect match with today`s flat screen systems. Integrated palm rest, zero-degree tilt™, and sculpted mouse gives extra support for your wrists and greatly reduces fatigue for a remarkably natural typing feel. Optical mouse with tilt wheel plus zoom provides fast, consistent performance, and more freedom of movement, allowing you to scroll pages vertically or horizontally and zip quickly in and out of documents. Convenient one-touch controls let you easily access music, video, volume, email, Internet and more, while programmable F-Keys can be set to open favorite applications, sites, or files. Includes LED low-battery light and auto-off function for smart power management so your batteries will last longer. 27 MHz encrypted wireless technology keeps your connection safe and secure.