3 in 1 Whistle
A Fantastic and Alternative Survival Gift!
This small whistle also has the function of a compass and a thermometer
It also has a lanyard for easy carrying
Indicate: The compass and thermometer are both decorative and the effect is general. Too high requirements are also worth considering. ! !
In the wild, these are very necessary tools
It is suitable for traveling, gatherings, field activities and various competition activities