How it works
Sound Selection Button - Press to skip to your favorite white noise tone. There are 10 individual tones that can be selected. Hold down the button to choose from a tonal range of white noise. Holding the button scan adjusts the white noise sound by changing the tone. Release the button to continue playing.
On/Off Button - Press and release to start or stop sound playback. The current sound is saved for the next time the on button is pressed.
Pocket Clip - The smallest white noise machine has a clip which is great for attaching to a pocket, clothes, or belt.