Football Training Whistle High-frequency Stainless Steel Outdoor Camping Hiking Rescue Tools

Description

High-frequency stainless steel whistle, easy to blow, hollow design inside, can also be used in water! Scope of application: Survival in the wild, outdoor sports, daily use at home, home travel, outdoor adventure A single weighs only 25g, light weight, easy to carry outdoors. Safe and reliable: It is professionally manufactured, with strict control, long service life Decibel value: 80-150 decibels