A set of parts for assembly into a reconfigurable communications device has at least an earpiece (16) a microphone (20) and a press-to-talk switch (24). These parts can be assembled together by respective connectors (19,22,26,29) and the device can be reconfigured by disconnecting and reconnecting with...http://www.google.es/patents/US7447529?utm_source=gb-gplus-sharePatente US7447529 - Modular communications devices