Download the app
- start a CROWD HORN
- invite your friends and you can sound the air horn on all of the phones at the same time
- up to 500 devices at the same time
- select from 8 air horn sounds.
- 2 second to 30 second burst
- automatically turns all phone volumes to 100%
- start a CROWD HORN
- invite your friends and you can sound the air horn on all of the phones at the same time
- up to 500 devices at the same time
- select from 8 air horn sounds.
- 2 second to 30 second burst
- automatically turns all phone volumes to 100%
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