- BATTERY OPERATED – This battery powered sound machine operates up to 75 hours on 3 AA batteries (not included).
- PORTABLE & COMPACT – The portable, compact design makes this sleek Serene Evolution ocean sound machine for sleeping essential for home or travel. Easily pack this battery sound machine into your luggage or bag for on-the-go convenience, or place it in your bedroom, living room, or office, for calming sounds anywhere in your home.
- OPTIONAL TIMER – Leave this soothing battery operated white noise machine on all night or set a timer for 30, 60, or 120 minutes. The Serene Evolution 18 sound portable white noise machine for adults recalls the last sound and volume setting, including sounds for fan, ocean, pink & brown noise, rain, brook, and more, making it the ultimate white noise sound machine for adults, kids, and babies.
- FALL ASLEEP FASTER – This miracle noise-cancelling sound machine masks background noises like barking dogs, snoring, and loud neighbors which helps create the ideal sleep environment.
- 18 RELAXING SOUNDS – Soothing sleep sounds include fan (3), ocean, pink & brown noise, rain, brook, white noise, summer night, frogs, bird, hairdryer, crowd, fireplace, flute (2), and wind chimes.
