New FLEX Plastic Double-frequency Whistle Orange

Features:
Brand new double-frequency whistle
This double-frequency whistle is great for use in the field with a lower pitched sound that carries farther.
High-impact plastic and assembled by hand to ensure quality and regularity of tone.
Lightweight, easy and convenient to carry
Designed double-frequency could send out three type voice.
Run resistant design for Mouthpiece.
Integration design, solid and reliable
Color: Orange
Material: Plastic
Size: 70mm x 20mm x 15mm

Package Included:
1 x Double-frequency Whistle

新款户外救生哨, 质量非常好, 可串上绳子挂在背包上, 也可以扣在背包的任意想扣的织带上, 是各位驴友户外运动必备的装备. 关键时刻, 小东西也有大作为!'好包一定要有顶级配件来搭配!'

设计十分到位的一款求生口哨

经测试, 性能十分突出 强烈推荐!

1, 双频设计. 左右两边不同大小的发声腔体, 同时产生高低频声音, 保证了不同环境, 条件下都具备出色的穿透力.

2, 哨嘴防脱设计. 可以不用手扶, 用嘴含住也不用担心气流将哨子吹出去.

3, 出声不费力. 求生, 求救时必须注意保存体力, 好的求生哨能够轻易出声. 市面上一些产品声音虽响, 却不容易出声.

4, 一体设计, 坚固可靠.