Multi Soothing Sounds: The white noise machine has a variety of soothing sounds for you to choose, including white noise, fan sounds, lullabies, waves, rain, stream, birds, campfire, heartbeat and clock sounds, etc., to help you get to sleep fast. Night Light: The sound machine features a night lights function, soft and bright light, convenient for use in dark environments. 3 Sleep Timer: The sleeping white noise machine has 15/30/60min 3 gear timer to set, with indicator lights, green light is 15min, blue light is 30min, and yellow light is 60min, clear at a glance. Easy to Operate: The sound machine is easy to control with the button, and the volume can be adjusted freely according to your needs. With the memory function, it can remember the sound and volume you set last time. Wide Application: Compact and lightweight white noise machine, easy to carry. Suitable for home, office, travel, etc. It is a perfect gift for yourself, family and friends, helps fall asleep easily. Specification: Product size: 9cmx9cmx3.1cm/3.54inchx3.54inchx1.22inch Material: ABS plastic Input: DC5V 0.8A Rated power: 1.5W Battery capacity: 1200mAh Charging: about 1.5H Working time: 15-30H Package Includes: 1White Noise Machine Note: Please allow slightly errors due to manual measurement and different monitors.