White noise is not only beneficial for improving sleeping quality, but also for improving concentration and working efficiency. 
White noise is very similar to the sound of mom's womb, which can greatly soothe the baby; also suitable for students, young people, and the elderly.
Built-in 6 soothing sounds for option  rain, forest, waves, stream flowing, lullaby, and white noise, each kind can greatly aid sleep.
With breath light, soft warm light can create an environment which is more suitable for sleeping, helping you entering the sleeping state quickly.
Built-in 1200mAh large capacity battery with long working time up to 30 hours, can be easily charged through power bank, adapter, computer, etc.
With intelligent timing function, convenient for use; compact size and light weight, good for home use, office use, and travel use.

Specifications  

Color  White 
Material  ABS/PC
Rated Power  1.5W
Color Temperature  2700K-3100K
Working Temperature  -10℃-55℃
Battery Capacity  1200mAh
Charging Time  1.5 hours
Working Time  15-30 hours
Product Size  9 * 9 * 3.1cm/ 3.5 * 3.5 * 1.2inch
Product Weight  115g/ 4.05oz
Package Size  9.2 * 9.2 * 6.5cm/ 3.6 * 3.6 * 2.5inch
Package Weight  165g/ 5.8oz

Package List 
1 * Sleep Machine