Here's what other sites are saying:
SuperHorn produces a superhuman blast of sound. This lifesaving device is essential for many activities, useful for others, and just plain fun for parties and celebrations! It never runs out or requires refilling because it uses an unlimited resource... your breath! Great for boating, camping, search and rescue, etc.Benefits:Self-PoweredEco-Friendly(no compressed air)No RefillsWater ProofFloatsFunLight weightCompact.Neckstrap Included.Dimensions: 6.75"x2" - Weight: 1.5 ounces
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