Features: 34 non-looping smoothing sound Built-in 34 non-looping smoothing sound including white noise, music box, lullaby, fetal tone, shushing, brook, cricket, fair sound and fan sounds. Noise blocking The machine can block the sudden noises (airplanes, thunders, din), preventing people and pets from the annoyance of being scared. Night light It is also a night light that has 3 brightness and 7 ambient light colors. You can choose the one that suits you the best and helps you with your sleep. Auto-off timer The white noise machine is equipped with an auto-off timer(30, 60, 90min), it would turn off itself if reached the set time. Portable The machine is of the size of a hand and can be powered by battery or USB cable, you can take it with you on travel or to school and it allows 10 hours of continuous working when fully charged. Specifications: Type: White noise machine Quantity: 1pc Material: ABS+PP Color: White Battery: Built-in 1800mAh Work Time: >10 hours Size: 90*53mm/3.5*2.1inch (D*H) Weight: 240g/8.5oz Package: 1* White noise machine 1* USB cable 1* Manual 1* Package box

34 non-looping smoothing sound: Built-in 34 non-looping smoothing sound including white noise, music box, lullaby, fetal tone, shushing, brook, cricket, fair sound and fan sounds. Noise blocking: The machine can block the sudden noises (airplanes, thunders, din), preventing people and pets from the annoyance of being scared. Night light: It is also a night light that has 3 brightness and 7 ambient light colors. You can choose the one that suits you the best and helps you with your sleep. Auto-off timer: The white noise machine is equipped with an auto-off timer(30, 60, 90min), it would turn off itself if reached the set time. Portable: The machine is of the size of a hand and can be powered by battery or USB cable, you can take it with you on travel or to school and it allows 10 hours of continuous working when fully charged.