HoMedics SoundSpa white noise sound machine. It features six digitally recorded, calming sounds: White Noise, Thunder, Ocean, Rain, Summer Night, and Brook. The machine can be powered by an AC adapter or batteries for portability. It includes an auto-off timer with options for 15, 30, or 60 minutes, or continuous use. The device is designed to help mask external noises to aid relaxation, sleep, work, or study.

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