- Two different whistle tones
- SOS mode
- Easy to use : operated by single hand
- Hand grip strap design for easiler grip on hand.
- Addition color ring and lanyard provided (To replacement of hand grip strap if not in use.)
- Special design metal-tubing to reach 125dB+/-5dB loudness
- Handy & Hygienic without blowing the whistle
- Suitable for all sporting events
- SOS mode: Give out S-O-S Morse code automatically when emergency situations whom indangous and need help
- Multi-propose use suitable for: Referee, Coaches, Traveler, Adventurer, Guides, Cheerleaders,Lifeguards, Teachers, Traffic Guides, Dog Trainer…















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