1、9 kinds of 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 you to fall asleep quickly and rest completely .
2、Portable design: Only 8*8*3.3cm. It takes up a small space on the bedside table and can be easily put into your bag or suitcase, making it the perfect travel companion.
3、Not just for sleep: our white noise sound machine not only masks noise, improves sleep quality, but also is suitable for use at home, in the office, in a dorm, in a baby nursery or anywhere you want.
4、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, 30 or 60 minutes to conserve energy (light display).
5、It features built-in lithium battery and USB charging. It can be used continuously for 36h time for a full charge.
Material: ABS+PC+silicone+electronic components
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