This sound machine can be your perfect solution for poor sleep. 12 soothing sounds builtin high quality autooff timer providing a peaceful and comfortable environment to sleep more quickly and stay asleep longer.Features12 soothing sounds white noise brook storm waterfall thunder ocean summer night rain heart beat rainforest birds and wind.Builtin high quality autooff timer that featuring 3 options 15 30 60 minutes sleep more soundly without manually turning off the machine.Rechargeable design provides a more convenient way to charge. Farewell to replace the battery frequently.Soothing sounds with decent sound quality. Perfect for bed or nap time speech privacy blocking out noisy neighbors etc..Using in your office or study area can help you stay focused so you can work effectively and increase production.SpecificationsColor: WhiteMaterial:ABSSoothing Sound: 12 TypesTimer: 15 30 60 MinsBuiltin Battery: 3.7V 2600mAh Lithium BatteryItem Size: 9.9 * 9.9 * 3.0cm 3.9 * 3.9 * 1.2inItem Weight: 230g 8.11ozPackage Size 14.0 * 10.5 * 5.5cm 5.51 * 4.13 * 2.17inPackage Weight: 400g 14.11ozPackage List:1 * White Noise Sound Machine1 * USB Cable1 * AUX Cable1 * User Manual English