Quiet operation: This ultrasonic diffuser runs silently with cool mist humidification and essential oil diffusion, ideal for bedrooms and nurseries without disturbing sleep. Adjustable lighting mood: Choose from 7 different LED light colours and intensities to create the perfect atmosphere while enjoying aromatherapy. Convenient smart water sleep setting: Can automatically shut off when water is low and stop working, convenient and safe for overnight or all-day diffusion humidification. Portable design: At just over 5 inches tall and with a 200 ml capacity, this compact aromatherapy diffuser is lightweight and portable for use anywhere in your home or office with the included USB charging cable. Portable for home, yoga, office, spa, bedroom, nursery, USB charging humidifier. Easy to fill and clean: The removable water tank fills from the top for easy refilling and is easy to clean with just water – no harsh chemicals required. Quiet operation: The ultrasonic diffuser operates silently and provides cool mist humidification with essential oils. Ideal for bedrooms and nurseries. Customisable lighting atmosphere: Choose from 7 LED light colours and 2 brightness levels. Ideal for relaxing aromatherapy or mood lighting. Intelligent water shut-off: The diffuser switches off automatically when the water level is low. Safe for use at night and ensures constant diffusion. Portable design: With a height of only 10 cm and a capacity of 180 ml, the diffuser is compact and lightweight, ideal for mobile use at home or in the office. Easy to use: The diffuser can be easily operated using the USB cable provided. Perfect for use at home, in the office or during yoga and relaxation exercises.