The Apple A1243 MB110LL/A keyboard is a fully functional wired Provides full keyboard functionality, with the numeric keypad Macintosh device compatible, including iPhone, iPad devices with wireless adapter Standard USB port, also works on Windows and Linux machines without need for additional software or hardware Resistant to dirt, microbes, and scratches Ideal in tight spaces and light enough to be carried around comfortably 1 pound Completely silent keys Two USB plugs