" Compact design\u0026 Memory function: With 3.9*3.9*2.3 inch ,it can be easily fitted into a handbag or suitcase,perfect for home, office or travel.And memory function will automatically restore your previous volume, sound and time.5 Timers \u0026 32 Levels of Volume:You can set it for continuous play or setting a timer 60,120,180,240 min auto-off. And this machine has 32 levels of volume,can easily mask the disruptive environmental noise.25 Non-Looping Sleep Sounds:White noise,fans,brook,sea waves,bird, bonfire,train,piano,lullabies,meditation and so on,this special gift with big big love,will give you the most peace of mind,suitable for baby, kids and adults..This machine is powered by AC or USB,it is approved by ETL, FCC, CE and RoHS,don't need to worry about accidents.Any question just dont hesitate to contact us.Adjustable Night lights: Four levels of warm lights,it is perfect for sleeping, feeding, even reading.This is a humanized bedside lamp with white noise for your family to take care of their sweet sleep! "