Electronic whistle

Traditional whistling is prone to breeding bacteria, and using this product in hazy weather or high-altitude cold areas can solve the problem of not being able to whistle while wearing a mask. With a gentle touch of your fingers, a loud whistle sounds, eliminating the need to blow and deplete your energy.

Sound modes: long, rapid short, rapid long

Sound decibel: 11010dB (distance 20cm)

Working temperature: -20 ℃ -+60 ℃ Relative humidity: 982% (40 ℃)