White Noise Machine Sleep Aid Device Improves Sleeping with Nine Timed Music

1. Features 16KHZ high sound quality and built-in 9 kinds of hi-fi natural background sound.
2.Soft light for a comfortable and relaxing atmosphere.
3.Timed shutdown has three modes: 15 minutes, 30 minutes, 60 minutes.
4.Lightweight and portable,easy to carry.
5.Buy 4 * AA battery yourself.