1.Easy to operate by hand 2.Traditional whistle sound 3.Super high decibels 4.Handy and hygienic whistle 5.Whistle sound control 6.Great for all sporting events 7.Use as a locator in emergency situations 8.Use as a safety alarm for crime...
Electronic Whistle, Personal Electronic Reminder, Child Guard, Luggage Guard, OEM/ODM for World-Famous Electronics Brands...
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