Fall asleep faster and sleep soundly with the help of the Yogasleep Duet Multi-Sound Machine and Night Light. Featuring 30 sound options including white noise, pink noise, brown noise, fan sounds, nature sounds, and 8 lullaby tracks. Stream your favorite sleep soundtrack, podcast, or music from your smartphone directly to the Duet speaker wirelessly. The Duet has a soft, dimmable night light in amber tones that soothes rather than disrupts sleep cycles. Run the sound machine all night long or set the auto-off timer with three timer options: 45 minutes, 90 minutes, or 8 hours. Sleek and compact unit fits in seamlessly with any bedroom or nursery. Easy to operate with a simple and user-friendly interface. No batteries required, powered by a USB cord. (USB power adapter wall plug not included) Features: 30 Sounds: White Noise, Pink Noise, Brown Noise, Fan Sounds, Nature Sounds, Lullaby Tracks Wireless Streaming Dimmable Amber LED Night Light Play continuously or set the sleep timer to 45min, 90min or 8hrs USB-Powered USB Power Adapter Not Included