- 10 Natural Sounds for Relaxation: Experience tranquility with our white noise machine, featuring 10 soothing sounds such as ocean waves, birdsong, crickets, waterfalls, and running water. These calming sounds help you unwind and promote better sleep. - 7 Soft Light Color Options: Choose from 7 gentle light colors to create the perfect ambiance for any setting. The soft glow is ideal for nighttime diaper changes, ensuring minimal disruption to your baby's sleep. - Promotes Calm Sleep for Babies: The calming nature sounds help your baby relax and sleep soundly, leading to a more restful night for the entire family. With 2 built-in lullabies, you can select the perfect sound to foster a peaceful sleep environment. - USB Rechargeable and Portable: Featuring a 2000mAh battery, our music sleep aid machine offers 5 to 10 hours of use on a 3-hour charge. Its compact design allows it to fit easily on your nightstand or in your bag, making it perfect for travel or use at home. - Versatile Usage Scenarios: Ideal for creating a serene sleeping environment for babies, providing background noise while studying or working, or enhancing relaxation during yoga or meditation sessions. This white noise machine is designed to meet your needs for effective sleep assistance, whether at home or on the go.