อุปกรณ์นกหวีดฉุกเฉิน 3 ความปลอดภัยสําหรับทํากิจกรรมกลางแจ้ง
Three different frequencies from three different holes (bass midrange treble)
When traveling outdoors it can help you confirm your location avoid getting lost find your companions etc.
If you want to have an ideal outdoor trip dont forget to prepare carefully before you leave!
Product details
Name: multi-audio survival whistle
Material. Plastic
Length: 70 mm
Width: 27mm
Thickness: 7mm
Package includes: 1 x whistle