Bidirectional wireless number pad and keyboard

A computer interface system comprising:

• a hub connected to said computer and configured to communicate wirelessly with at least three peripheral devices;
• a wireless mouse for wirelessly communicating with said hub;
• a wireless keyboard for wirelessly communicating with said hub, said wireless keyboard having an alphanumeric keyboard but no separate number pad;
• and
• a wireless, mobile media device and numeric keyboard for wirelessly communicating with said hub, said wireless mobile media device and numeric keyboard including
• a number pad,
• a display, said mobile media device and numeric keyboard being configured to provide to said display for a music application, at least one of an artist's name, song title and track number, and for a video application, at least one of a track number, a length of a video, a video title and an elapsed time, and
• a back button,
• a forward button,
• a volume up button,
• a volume down button,
• a stop button, and
• a pause button;
• wherein said wireless keyboard and wireless mobile media device and numeric keyboard each include media buttons for performing the same functions.