Perixx PERIPAD-202 - Keypad - USB - Black Group Keyboards Manufacturer Item No. PERIPAD-202 Black Model PERIPAD-202 EAN/UPC 4049571820224 Product Description: Perixx PERIPAD-202 - Keypad - Black Device Type Keypad Interface USB Connection Technology Wired Number of Keys 19 Color Black Details: General Device Type Keypad Interface USB Input Device Number of Keys 19 Keyboard Technology Scissors Extension/Connectivity Interfaces 2 x USB Various color Black Cables included 1 x USB cable software & System requirements Required operating system Microsoft Windows Vista/ XP/7/8