Fall asleep faster and sleep soundly with the help of the Yogasleep Duet WiFi 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 USB cord. (USB power adapter wall plug not included). Yogasleep has 50+ years of making the best white noise machines for home, baby, and professional settings.