28sounds Nature Fan Sounds White Noise Machine for Sleeping Home Sleep Sound Therapy Specifications: Material: ABS+ phosphor powder and metal steel mesh spray paint Size: Ф150mm×32.5 mm/5.9×1.3in Battery: 18650/1200mAh Soothing Sound: 28 Different Soothing Sounds Light Color: LED night light/Colorful mood light Features: -TIMER BUTTON: 3 Timer optional(30,60,90minutes), fall a sleep effort less, turn-off automatical no disturb to your sleep. -NON-STOP PLA YING MODE: Provide natural sound for peaceful sleep all night.Babes sleep soundly mom gets relaxed. -CLASSIC MINIMALIST DESIGN: Trumpet hood integrated design the overall shape like a shell on the beach.