Portable White Noise Machine Night Light Sound Machine Sleeping Aid Product Information Long Available Time: Our battery powered sound machine with a 1200mAh rechargeable battery provides up to 15-30 hours for helping lull your baby or yourself to sleep at any time and stay asleep longer. 24 Soothing Sounds: There are 6 types of white noise, 6 wind sounds, 2 lullaby sounds, heartbeat, train, bonfire, bells and relaxing natural sounds. The sound helps you fall asleep, and the baby sleep sound machine can effectively cover up destructive or startling sounds to protect your sleep quality. 2 Colors Night Lights and Adjustable Brightness: The night light sound machine with adjustable night light provides your bedroom with plenty of light at midnight without being too harsh. Divided into white light and warm light, which can be adjusted to constant light or breathing light. Optional Timer: Leave this white noise for sleeping on all night or set a timer for 30, 60 or 90 minutes. This white noise maker can also loop the sound. Portable : The portable baby sound machine is light and compact, easy to carry. It can also be placed in the bedroom, living room or office so you can hear the calming sound anywhere. USB and manual are included. Package included: 1 x White Noise Machine Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)