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： Type：Aroma Humidifier Material：ABS+PP+Electronic components Rated Input：DC5.0V / 1.0A Operating Current：250-350mA Rated Power：1W Water Tank Capacity：300ml Spray Volume：25-35ml / h Line Shutdown Time：4 hours / 6 hours Package Included： 1 × Aroma Humidifier 1 × USB Cable 1 × User Manual 1 × Cotton Swab