Delivery end of January.
1. Two different whistle tones selectable by the user.
2. Easy to use: operate by a single hand
3. Strong loudness, same effect as a traditional whistle.
4. Special design metal-tubing to reach 125dB +/-5dB loudness.
5. Handy & Hygienic without blowing the whistle
6. Suitable for all sporting events.
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I bought these for the coaches of my son's 10U team and they are loving having them. With having to wear masks on the ice right now, it is much easier to have one of these to signal the change of stations without having to mess with their masks.
So far so good. Works like it should and pretty loud for it's smaller size.