Feature: 1. 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. 2. Physical Improvement: The device uses physical methods to improve sleep quality, making it a safe and non-invasive solution for sleep problems. 3. Help reduce stress and create a calming environment for sleep. 4. 16 Natural Sound Effects: With 16 different natural sound effects, you can choose the one that best suits your mood or sleep preference. 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: white Using time: 50h Charging time: 1h Music: 16 song Product weight: 128g Product size: 100x100x46mm Note: 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 Machine 1 * USB Cable 1 * User Manual Package List: 1 * Noise Sound Machine 1 * USB Cable 1 * User Manual