Car Humidifier Household Small Usb Air Silent Large Capacity $ 5.41 Specification: Model: Humidifier QL-H2 Applicable area: 31-40 square meters Function: Aromatherapy Water tank capacity: 1 liter or less Number of fog outlets: 1 Mode of operation: Mechanical Timing function: No timing Water shortage and power failure protection: Support Power supply mode: USB, car power supply Shape: columnar Noise: 36dB or less Rated voltage: 5 (V) Rated power: 2.5 (W) Applicable object: Household Product category: USB humidifier, aroma diffuser