pureGLO Portable Mini USB Car Humidifier - 180ML Small Air Mist Purifier with Vehicle Mount - Travel Diffuser for Car, Office and Home Use (Black) PORTABLE MINI SIZE FOR CAR HOME OFFICE: Mini design will conveniently sit on your car, office desk, dresser or counter, which allows multiple locations for use. Comes with a bracket which can be attached to the automotive air-condotioning vent of car. SAFE AND ADAPTABLE: Offers options to plug the humidifier into a AC/DC outlet or a computer with the USB cable and adapter, ideal for home, office and car use. AUTOMATIC SHUT-OFF PROTECTION: When the water level drops to a predetermined position, the internal controlling transducer stops spraying to protect the humidifier not be burnt. IMPROVE BODY HEALTH: pureGLO Mini Air Humidifier adds moisture to the air to prevent dryness which can be particularly effective for treating dry skin, nose, throat and lips. It's also helpful to ward off the common cold or flu. BENEFITS OF HUMDIFIER: Excessively low humidity may occur in indoors in artificially heated spaces, especially when cold outside air is heated indoors. The low humidity can cause adverse health effects by drying, also can affect wooden furniture, causing shrinkage and loose joints or cracking of pieces. A relative humidity of 30% to 50% is recommended for most homes.