Andyer Mini, Personal Portable, Battery or USB Operated Water Humidifier for Small Room,Office,Hotel.(Bottle Adapter in Top-Right Corner of The Box) (Snow), Black Neoprene Relief From Dry Air:PureMist ultrasonic technology operates at below 15 decibels, to project hygienic, humidified air quickly and quietly. with sound level less than 15 db, ensures you always get a peaceful and comfortable night sleep. USB & Battery Powered :can be powered by 3xAA battery or standard USB cable. You can connect the humidifier to computer or power bank.Allows you to take the device anywhere you go. Adjustable timer allows for 2, 4, 6, and 8 hour automatic shut-off. Intelligent protection when water runs out. Pocket Size Humidifier:lightweight mini humidifier perfect for use in bedroom, office, hotel, tent, or even on flights. LEADING WARRANTY SERVICE:12-Month warranty service and professional customer service & Technical Support. If you have any problems, please feel free to contact us. Healthy posture and proper spine alignment Herniated, bulging, slipped or prolapsed disc Pregnancy or labor-induced coccydynia Pain or numbness caused bysitting for long periods of time Road trips, long flights, Seated desk work, extra cushioning for uncomfortable office chairs Bruised, inflamed, fracturedor broken tailbone