White Noise Machine for Sleeping Best Portable Nursery White Noise Machine for BabyandAdult 20 Non-Looping HiFi Nature Sounds Machines andTimer Baby So

Specification : - Operating Voltage: 3.7V(Support 18650 rechargeable lithium battery) - Dynamic current: no light<200mA Light up<450mA -Quiescent Current: 20uA -Product dimensions:150*32.5mm(Not including the speaker) -Speaker: Diameter 75mm - Power supply: Input AC 100V - 240V< 50 / 60hz - Output: DC 5V,1A Important Features: * 20 nature sounds *3 brightness light and 10 Colorful light * High quality speaker & built-in headphone jack * Auto-off timer * Adjustable volume *Portable design and lightweight *Two power supply modes: 18650 Battery or USB output (18650 Battery is not included) *Suitable for baby, kids, men, women, and old. (home, library ,office & travel) *One year Manufacturer's Warranty & Lifetime customer support Box Contains: ? 1 x Sleep Sound Machine ? 1 x AC adaptor ? 1 x USB cable ? 1 x User manual Noted: *Not including 18650 battery