Mini Portable Sound Machine White Noise Machine with 30 Soothing Sounds Travel Sleep Brown Noise Machine for Adults Kids Baby Rechargeable Loud Speaker Noise Canceling Machine for Office Privacy Home BRAND NEW ITEM FREE SHIPPING ?? Mini Yet Powerful? This is the smallest white noise machine on the market but fully functional with 30 soothing sounds, 32 volume levels, rechargeable, auto-off timer, memory function and hanging rope. This mini sound machine is easy to fit into your travel bag or pocket, making it convenient to use at home, in the office, or on the go. ?? Loud Enough to Noise Masking ?The loud sound machine with 32 levels of volume, it is as loud as a regular sound machine, which can excellently block outside noise for baby sleeping, office privacy, and soothing sound-sensitive pets. ??30 Non-Looping Sounds? The portable sound machine provides white noise, brown noise, pink noise, fan sounds, rain, lullabies, sea waves, train, brook, piano, singing birds, campfire and other natural sounds, which can be helpful for falling asleep or promoting relaxation during meditation. ?? 22 Hours Long-lasting?The calming sleep machine can be charged or directly plugged in for use, easily lasts through the night and into daytime naps on a single charge. Compact size but can last 22 hours, help you sleep better. ??4 timer and Memory Function ?Continuously play, 30, 60, or 90 minutes, allowing you to customize the duration of the white noise. In addition, the noise maker has the memory function which can automatically remembers your previous sound, volume and timer.