Electronic Whistle 3 Gears Adjustable Training Electronic Whistle for Sports TravellerBlack

How to Use 1 x Electronic Whistle(Battery Not Included) 1 x Lanyard 1 x Instruction Manual

• Ideal for traffic commandos and lifesaving, military training, sports competitions and training, and pet training.
• Suitable for referees, coaches, travelers, adventurers, guides, cheerleaders, lifeguards, teachers, transportation guides, seniors, etc.
• The cylindrical shape of the pronunciation mouth, the sound transmission distance is long, and can be heard from a distance.
• Portable size, light weight, come with a lanyard, easy hanging around the neck, easy to carry.
• There is a gear button on the side of the whistle, 4 gear positions (OFF/1/2/3), three optional sound effects, and the sound is clear.
• Put in the battery (not included).
• There is a gear button on the side of the whistle, 4 gears (OFF/1/2/3), three different whistling can be adjusted.
• Press and hold the sound button in the middle of the whistle, the whistle will sound.