High-Quality SoundDont let the size fool youthe portable sound machine delivers clear, robust sound through a high-quality speaker. With 32 volume levels, you can easily adjust the sound to suit your needs.Satisfaction GuaranteedRest easy with our 18-month worry-free help and responsive customer service. If you have any issues, contact us and well be happy to helpUltra-Compact Travel Sound MachineTake this portable white noise machine anywhere for better sleep. Its small enough to fit in your bag or pocket but comes with a rechargeable battery, 21 soothing sounds, a customizable timer, adjustable volume, memory function, and a 3.5mm headphone jack. Enjoy peaceful sleep wherever you are.Travel Worry-Free with Long Battery LifeNo more battery anxiety! With a powerful 1200mAh battery, this sound machine lasts up to 52 hours (Medium Voice) on a single chargemore than double what most others offer. Plus, it comes with a built-in battery and a USB-C charging cable, so you dont need to buy extras.Simple and Easy to UseThe white noise sound machine is designed to be user-friendly, with six easy buttons, four timer settings (30, 60, 90 minutes, and 8 hours), and a memory function that remembers your last settings.21 Soothing SoundsFind your perfect sleep soundtrack with 21 different non-looping sounds, including white noise, pink noise, brown noise, fan sounds, rain, ocean waves, campfire, birds, and more. Find your favorite and enjoy a restful night.