Spirastell Sleep Machine,Helper Timer Function White Noise Therapy Sound Sounds Helper Sound 26 Arealer Dazzduo

USB power supply, plug and play. Low power consumption. Easy to connect with most USB devices to use, like laptop, power bank, USB adapter, etc. The sound machine can improve sleep environment to help you quickly enter the sleep state and improve the sleep quality. With memory function, it will automatically play the music that last time shut down. Lightweight and compact, easy to carry, perfect for home and travel use. Also a delicate gift for your families and friends.