1. Double tube burst sound design, high frequency penetration, up to 120 dB, wide range of coverage
2. One-piece molding, no ball design, with water / dust can also blow loud
3. Titanium alloy material, waterproof and corrosion-resistant, beautiful and textured
4. Top with hole design, can wear a lanyard / keychain, lightweight and portable
5. Exquisite rounded corners, comfortable to the touch
6. Applicable scenes: outdoor distress, warning, training, etc.
7. Material: titanium alloy
8. Size: about 4.18x 1.7 x 0.95cm
9. Weight: about 13g
10. Description: only the whistle, without the lanyard in the picture