Feature: 1. Suitable for Adults and Babies: The white noise sleeping device is suitable for both adults and babies, providing relaxing white noise which helps to create a peaceful sleep environment and reduce stress and anxiety. 2. 16 Nature Sounds: The stress relieving sleeping device has 16 built in nature sounds such as ocean waves, forests and more to provide relaxing ambient music, helping adult and baby fall asleep peacefully. 3. Night Light Function: The stress relief sleeping aid comes with a soft warm light night light that can be used as a calming device at night. This night light design can meet your multiple needs. 4. Adjustable Volume and Brightness: The white noise sleep device can be adjusted in volume and brightness to meet the needs of different users. Adjustable brightness night light, creating a safe and comfortable sleeping environment for your baby. 5. Compact and Lightweight: The baby sleep device has a compact and lightweight design that makes it easy to carry and place in the bedroom, office or travelling, providing sleep assistance for your baby anytime, anywhere. Specification: Item Type: White Noise Sleep Machine Material: ABS, PC Size: Approx. 100x100x46mm / 3.94x3.94x1.81in Battery Type:Battery (Shipped with Built in Battery) Battery Capacity: 900mAh Charging Time: 1.5h Light On Playtime: 24h Light Off Playtime: 38h Package List: 1 x White Noise Sleep Aid 1 x Data Cable 1 x User Manual