Necklace Style Titanium Alloy EDC Whistle, Portable Emergency Essential Tool

Product specifications：
Material: Titanium alloy
Size: 4.3cm*2cm*1cm
Weight: 22.7g
Accessories: Necklace
Product introduction：
This titanium alloy whistle adopts a one-piece double-hole design, and the pipe wall is thickened to 1cm, which is durable and not easy to rust. The double-hole structure makes the pronunciation crisp and loud, even if it is wet, it can be blown normally. Equipped with hanging holes, it is convenient to carry it with you outdoors, and it is a practical travel partner.