Volcano Shape Humidifier Desktop USB Air Diffuser with Multi Colors Night Light100% Brand New and High Quality!USB ultrasonic air humidifierCan continuously work for 2 hours or longerIncreases humidity in your bedroom， office or other placesRemoves micro-dust and smoke pollution to improve air qualityPowered by a USB cableFeatures:Silent operationDesigned like a small Volcano ， cute and beautifulSuitable for adding moisture in places such as office， bedroomAdopting ultrasonic high frequency oscillation atomization technologyPowered by connecting it to any powered USB equipment or DV 5V USB adaptorMini-USB cable includedNight Light Color: Multi ColorsSpecifications:1.Please make sure that there is enough water in the sink before use. This machine can not boot in the absence of water.2. In order to guarantee the safety of the products， this product more than 2 hours will be automatically without electricity.3. Add water shall not exceed the water level in order to avoid the overflow.4. Can't directly into the water or the tap wash down， Please use a damp cloth or damp sponge to wipe clean directly.Apply area: 10 square metersFunction: ultrasonicPower supply: USBNoise: below 36 dbRated voltage: 5 (V)Rated frequency: 10 (HZ)Rated power: 1 (W)Water Capacity: 160mlProduct specifications: 4.92" * 4.92" * 4.92"/ 125 * 125 * 125 mm (D * D * H)Package:1x USB Volcano Humidifier1x USB Cable (Plug not included)color:black，white，pink