Fan Tuner

Low hum · soft air · lights down

Sleep timer

Ready · tap Start fan. Sound starts gently.

Motor tone44 Hz Deep motor hum42% Blade whoosh62% Airflow tone340 Hz Metal-box resonance35% Grille hiss10% Fan volume25% Screen light100%

Keep screen awake while playing

Synthesized fan-like sound, not an original Penney’s recording. Settings stay in this browser. Start at low volume; small speakers may not reproduce the deepest tones. Background or locked-screen playback depends on your browser and device. Dimming changes this page, not hardware brightness.