| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a portable horn, capable of being integrally and fixedly mounted to a portable information terminal such as a smart phone, not obstructing when being carried.SOLUTION: An shaft part 2 having an inner peripheral part 5a of an earphone jack 5 of a portable information terminal 4 and a fitting part 2b that is elastically fitted and a whistle function part including at least a nozzle part 7 having a blow-in part 6 and an acoustic function part 8 having a resonant chamber 8a are integrally configured.</p> |
