| 摘要 |
PURPOSE: A multi-earphone jack is provided to allow at least two persons to hear one cassette through their earphones. CONSTITUTION: A multi-earphone jack(4) into which a plurality of earphones are inserted is combined with a cassette(2). Multiple users hear the cassette through their earphones being inserted into the multi-earphone jack, simultaneously. Two or three earphones are inserted into the earphone jack. The outer surface of the earphone jack is made of plastic or metal. |
