Aroma Essential Oil Diffuser Grain Ultrasonic Air LED Aromatherapy Humidifier Product Feature Romantic Night Light: Press the button to shift color, long-press the button to turn off the light without affecting the mist. Adjustable Spray: 2 kinds of adjustable spray, press once for constant spray, twice for spray interval. USB Powered: 5V 1A micro USB powered, compatible with any device with USB port such as laptop, desktop, power bank, socket, power socket. Ultrasonic High-Frequency Atomization Technology: With ultrasonic high-frequency atomization, it can keep the air moist, moisturize the skin, and reduce radiation, you will not be disturbed when work or rest. Using Time: Automatic shutdown function, 4 hours line shutdown time for constant spray, 6 hours for spray interval. Application: Use as a portable diffuser, car air refresher, purifier or humidifier, suit for home, office, car, living room. Note Only suitable for water-soluble essential oils. Product Specification TypeAroma Humidifier MaterialABS+PP+Electronic components Rated InputDC5.0V / 1.0A Operating Current250-350mA Rated Power1W Water Tank Capacity300ml Spray Volume25-35ml / h Line Shutdown Time4 hours / 6 hours Package Included 1 Aroma Humidifier 1 USB Cable 1 User Manual 1 Cotton Swab