Feature: 1. Portable Design: White noise sleep aid baby sleep sound machine, compact and lightweight, great for carrying out or traveling, providing sleep assistance for your baby anytime, anywhere. 2. LED Night Light Function: Sleep device comes with LED night light function. Adjustable brightness LED night light, creating a safe and comfortable sleeping environment for your baby, helping them fall asleep peacefully. 3. Automatic Timer Function: You can set the sleep time when you use it, you can turn off the sleep aid automatically to save energy and ensure your baby secure sleep.It is convenient to use. 4. Enhance Sleep Quality: Specifically designed for babies, providing calming white noise to promote deep sleep, and multiple music options to help babies fall asleep and calm their emotions. 5. Multifunctional Music Player: Sleep machine can also be used as a multifunctional music player, baby music, white noise, nature sounds, and more, all in one sound device to help your baby sleep and soothe their mood effectively. Specification: Item Type: Sleep Aid Device Material: Plastic Battery Type: Battery 350mAh (Shipped with Built in Battery). Package List: 1 x Sleep Sound Machine 1 x Accessory 1 x USB Cable 1 x User Manual