Specifications:Increase air humidity、 clean air、 smoke and dust.Provide a soothing space at home、 office、 in a car、 or traveling.Type: Water Bottle Cover Air HumidifierShape: ColumnarNoise: under 36dBRated Voltage: 5 VPower: 0 - 28W (Adjustable)Mist-exit Volume: 350ml/hMaterial: ABS、 Electronic ComponentApplication Area: 10-20 Water Tank Capacity: Less Than 1 litreShortage of Water and Electricity Protection: NoOccasions: Living Room、 Bedroom、 Office、 Car、 etcFeatures: USB-Powered、 Increase Air Humidity、 Water Bottle Lid TopSize(Dia x H): 7.5cm x 6cm/2.95" x 2.36" (Approx.)Notes:Due to the light and screen setting difference、 the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.This humidifier will not come with a bottle、 please prepare one before use it.Package Includes:1 x Water Bottle Cover Air Humidifier(with No Bottle)1 x USB Cable2 x Cotton SwabsWe will provide you high quality、 competitive price、 timely delivery products and good service.