Electronic whistle provides a convenient and hygienic solution: simply press a button to sound the whistle.
It offers 3 volume levels and 3 distinct whistle tones. A storage bag is included for portability.
The lanyard at the end can be adjusted for neck-wearing, making it ideal for referees, coaches, teachers, and other professionals.
Remarks: Product does not include electromagnetic.
 
電子哨子方便衛生，輕輕一按便能響起哨聲。
共有3種強度及3種哨聲可供選擇，附有收納袋。
使用時可調節末端的繩子以掛於頸上，適合裁判、教練、老師等職業購買。
備註：產品不包括電磁。