Titanium Waterproof Emergency Whistle with Storage for Multi-function Outdoor Use

Titanium alloy material titanium alloy has the advantages of low density, high specific strength, good corrosion resistance, good process performance, etc.; it is ideal for aerospace engineering structural materials and medical metal materials.
CNC finishing, buckle body molding. Titanium alloy is strong and not easy to break, light and weightless, waterproof, and not rusty.
No ball rolling, tweeter single tube, lightweight, explicit, and loud treble up to 120dB.
Storable items, hang hole design, suitable for outdoor carry. Blow the rescue signal in case of emergency or danger.