Double-hole titanium alloy whistle, high decibel burst sound, essential for EDC outdoor emergency survival

Product specifications：
Material: Titanium alloy
Size: 4.5cm*2.2cm
Weight: 19g
Product introduction：
This titanium alloy whistle adopts a double-tube design and weighs 19 grams. It is extremely lightweight. It adopts a ball-free design. The treble is clear and loud, and the transmission of information is efficient and accurate. Even in the harshest environments, it can blow stably, providing a strong guarantee for your safety. Equipped with hanging holes, it is convenient to mount in backpacks, keychains and other places, and it is easy and convenient to carry it with you outdoors. Whether it is used as practical outdoor equipment or as a gift for relatives and friends, it is very suitable and is widely used in outdoor tourism, adventure and other scenes.