Ultrasonic Technology & Portable Design: Aroma diffuser ultrasonic technology to atomize water, which can quietly release water mist. With elegant and portable design and white wood grain shell can be easily carried, this ultrasonic diffuser humidifier is an amazing aromatherapy choice for you. 7 Color LED & 4 Timer Settings & 2 Mist Modes: The air diffuser with 7 color LED lights, which can be adjusted to changeable color/ stable color/ off the LED light; The essential oil diffuser can be set to time 1, 3, 6 hours or continuous operation, continuous heavy fog or intermittent fine fog as you choose. BPA-Free & Waterless Auto-Off & Very Quiet: This room diffusers made from BPA-free material, which is 100% non-toxic and environmentally friendly. The humidifier works quietly and auto off when it is waterless, adds to safety and create a soothing sleeping environment. Remote Control & Easy To Use: The scented oil diffusers can be easily controlled by the remote(included) without leaving your bed or sofa. Just fill the air humidifier with water and add a few drops of water-soluble essential oil can lift your mood and relieve stress from tired day. 550ML Large Capacity & An Ideal Gift: The fragrance diffuser can work for 12 hours in high mist mode and refreshes and moisturizes the air for rooms of 25 - 60 m². The electric diffuser functions not only as aromatherapy diffuser, but also air purifier, humidifier, night light, desktop decoration, perfect for bedroom, study, office, living room, bathroom, yoga, SPA, conference room, baby room, etc. It is good choice to use this lovely defusers as gifts to your friends and families.