Size: about 80*80*33mm/3.15*3.151.30in
Input voltage: DC5V
Working voltage: 4.2v
Charging current: 1A
Battery capacity: 1200MA
Charging method: USB
Charging time: 1.5h
Use time: 36h
Smooth and natural sounds: It features white noise, wave sound, birdsong, waterfall, cricket sound, bicker and 3 lullabies, so that you can choose sounds according to your preferences and needs to create a quiet environment for your baby to fall asleep quickly and rest completely.
Automatic shutdown timer: This white noise machine can be played continuously non-stop all night or there is an auto-off timer to set for 15 to 30 or 60 minutes to conserve
It features a light display and according to the light, you can adjust the breathing in 10 minutes to make your body relaxed.
built in lithium battery and USB charging. It can be used continuously for 36 hours for a