Hands free set adaptor cable for cars, has selection of power supply adaptors and connectors with pin housings plugged into coupling block or black box unit

摘要

A hands free set adaptor cable has an interface circuit (3) and cables (2, 4), connectors (5, 6) with pin housings (24) plugged into a coupling block (17) or black box unit (21) that interfaces with the car on board supply and loudspeaker.