Calming Natural Sounds: There are 16 kinds of natural sounds available including white / pink noise, fan sound, rain, thunderstorm, forest, cricket, waves, streams , heartbeats, etc., to bring you pleasure auditory. & nbsp; Timer and memory function: three timer options: 30 minutes, 60 minutes and repeat playback. The white noise machine will automatically turn off when the timer is off, or it will loop until it is turned off. The next Once you turn on the white noise machine, it will keep the last sound and volume setting. Great Sleeping Companion: The sound machine helps drown out background noise, help babies relax. And it can also relieve the problem of adult insomnia. Natural soft sounds create a pleasant sleeping atmosphere, which allows you to feel calm and fall asleep softly. Portable and Compact: The white noise machine is lightweight and small in size. Great for home, office, especially travel. When you are alone, let the white noise machine always stay with you anywhere and anytime when. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!