Feature:Specification:Features:Portable and Lightweight: This white noise sleep device is designed for easy transport, making it perfect for travel or use in different rooms of your home.Physical Improvement: The device uses physical methods to improve sleep quality, making it a safe and non-invasive solution for sleep problems.Help reduce stress and create a calming environment for sleep.16 Natural Sound Effects: With 16 different natural sound effects, you can choose the one that best suits your mood or sleep preference.Music Therapy: The device uses music therapy techniques to help improve sleep quality and reduce stress.Specifications:Color: whiteUsing time: 50hCharging time: 1h Music: 16 songProduct weight: 128gProduct size: 100x100x46mmNote:1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.2.Please allow a little measuring deviation due to manual measurement.Package List:1 * Noise Sound Machine1 * USB Cable1 * User ManualPackage List:1 * Noise Sound Machine1 * USB Cable1 * User Manual