Supertech 30ML Usb Humidifier Car humidifier Protable Humidifier Ultrasonic Cool Mist Humidifier Mini Humidifier Personal Humidifier Water Bottle Humidifier Diffuser For Room Car Supertech mini protable usb humidifier can 8 hours Auto shut off. compatible with any micro-usb cable, compatible with any water bottle. Ultra fine mist technology design . Humidify and purify air, ease dry eyes,soft hand and face eliminate static electricity, reduce radiation . Ultra-quiet moisten, enjoy a peaceful nourishing life. With water purification system, professional purification , healthy hydrating. Very easy to use: You just fill up a cup or water bottle with water,and insert the mini protable humidifier.plug into any usb power source and press the on/off button ideal for Office caf Bedroom Home Spa Yoga. Desktop Travel Hotel .Baby room Kids room Car and so on