Heres the desktop set designed to provide lasting comfort & performance. The full-sized keyboard & mouse are perfect for long workdays while the 2.4 G Hz wireless connection provides high reliability in crowded office settings. Full size keyboard & full sized optical 1000dpi right handed mouse for maximum comfort Office friendly 2.4 Ghz wireless USB (Universal Serial Bus) receiver prevents interference Scrollwheel mouse for fast scrolling Shortcut keys for media & browser Designed to withstand drops & spills