Whistle ultra loud

Miniature super loud whistle, (CAUTION!). Inside there are 2 air channels, in resonance they give out a high and shrill whistle. The default color is ORANGE! In addition to entertainment, the whistle can be used, for example, in case of danger to attract attention, and you can also "whistle" in the forest, fishing ... Due to the high volume, it is not recommended to give the whistle to children.