Features: This portable white noise sleep machine features dynamic color changing lights, 22 soothing sounds, and timers to enhanceds sleep quality and create calmings environment. Equipped with 22 natural sound including rain, ocean, and white noise, it masks external disturbances while its auto off timers (30/60/90mins) conserves energy. for adults relaxation, parent soothing infants, or travel needing noise blocking for restful nights. for bedtimes routines, office meditations, nurserys room, or overnight trips,its fit seamlessly into daily life and travel. Combining sleep aiding functionality with ambients mood lighting, this multifunctional device double as nightlights and noise machine for uninterrupted, personalizeds comfort. Specifications: Product materials: ABS/PC/silicon/electronic components Product size: 95x95x37mm/3.74x3.74x1.46inch Input voltages: DC5V=0.8A Operating voltages: 3.7V Charging voltages: 110-240V Rateds power: 3W Battery capacity: polymer 1200mAh Use time: 15-30hours Charging time: 1.5hours Package Includes: 1PC Sleep Aid Machine note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.