Key features Stylish & comfortable wireless multimedia keyboard to create a clean & cable-free desk 2.4 GHz technology for a reliable wireless connection & up to 8 meter range Advanced keyboard with convenient volume control wheel & 10 extra keys for direct access to your internet browser, media player, calculator etc. Extra long battery life due to latest power saving technology Smart link technology: easy automatic wireless connection Package contents Wireless keyboard USB (Universal Serial Bus) receiver 2x AAA batteries Users guide System requirements USB (Universal Serial Bus) port Windows 7, Vista or XP