Features: 1. 28 High-Fidelity Sounds: This white noise machine features an extremely large high-quality speaker, ensuring you get an immersive feel and fall asleep quickly. 28 High-fidelity sounds. Reduce your baby's stress and help your baby fall asleep better. 2. Adjustable Volume: Press the volume control button on this white noise machine to adjust the sound volume to your desired level for a personalized sound environment. 3. USB Rechargeable. Operations are simple and easy to understand. 4. There are timer options, the white noise machine remembers sounds, volume, and timer settings. 5. This sound muffler is suitable for babies, home, office, and travel. Stylish and compact design, easy to carry and use. Notice: 1. Actual color may differ slightly from the picture due to different monitors and light effects. Please allow slight deviation due to manual measurement. Specification: Type: White Noise Machine Material: ABS+PP+Fabric Power: USB Color: as the picture shows Function: 1. 28 High-fidelity sounds 2. Intelligent memory function 3. Timing function 4. Eardrum protection 5. Low power consumption