Feature: 1. White Noise Machine with Light: This noise sound machine features high audible restoration and 5 color adjustable breathing light, catering to a wide range of preferences for a personalized sleep experience 2. 30 Audible Sources: Equipped with 6 white noises, 9 lullabies, and 15 nature sounds, this machine offers a diverse selection without the need for connection or downloads. Maximum range of use is about 20 meters 3. Convenient Use: Built in a 1000mAh li battery, it charges in just 2.5 hours and provides up to 9-14 hours of continuous working. Plus, it operates standalone without requiring WiFi setup, convenient and practical 4. Alert and Timer: Designed with a low battery warning prompt that emits beep, this machine also has timer function with 4 modes: 30 min, 60 min, 90 min, and off, ensuring you have the sounds you need during sleep 5. Versatile Use: Suitable for adults, kids, infants, this white noise machine combines soothing sounds and visual effects to help users relax and fall asleep more easily, making it a versatile addition to any bedroom or nursery Specification: Item Type: White Noise Machine Light Power: 1W Speaker Power: 5W Light Source: LED RL-505ORGB Color Temperature: 3000k Working Voltage: DC 5V Timer Timer: 30/60/90 Minutes Music: 6 white noise, 9 lullabies, 15 nature sounds Volume: Adjustable (1 to 32 levels) Battery: 1 x 1000mAh 3.7V Li Battery (built in) Charging Time: 2.5 hours. Package List: 1 x White Noise Machine 1 x USB C Cable 1 x Lanyard 1 x User Manual