The light sound operation is not noticed by the baby, the bass operation is not , and it is silently humidified all night.-capacity water tanks can fog for a long time and can be used everywhere.Upgrade -capacity nano fine mist for long-term moisturizing for 4H, and spray continuously for 8H, spray indirectly for twice, and stop for three seconds.Product Name: Small HumidifierProduct model: -851Switch mode: buttonLighting: Warm lightPower port: Tape-cCharging current: 1.5A(Max)Maximum operating current: 1A (Max)size: 103 x 101 x 173mmMaterial: Plasticcolour: WhitePackage Contents:1 x humidifier1 x USB cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.