Whistle Icon - Sound Signal Symbol for Sports, Safety & Alerts #3809034 (License: Personal Use)

This vector-style illustration depicts a classic pealess whistle with a glossy white finish and a black mouthpiece opening. Blue curved lines radiate from the top to represent emitted sound waves, emphasizing its function as an acoustic signaling device. The whistle rests on a subtle black shadow, enhancing depth against the muted green backdrop.

Commonly used on websites or apps related to sports coaching, emergency response training, outdoor safety guides, or school discipline policies; it visually conveys alerting, attention-getting, or command functions.