Ultrasonic TechnologyEssential Oil Diffuser creates a fine mist using ultrasonic misting technology, delivering cool fine mists and long-lasting fragrance. The diffuser will create the perfect environment forso you can breathe and sleep better, fragrance spreads evenly throughout the room, making you relax and feel great more than ever. 7 Color LEDThe indicator light of ultrasonic humidifiers for bedroom can be set to 7 different colors easily with the remote control, and each light can be adjusted between bright and dim. You can adjust the colorand brightness to create a romantic atmosphere according to your preferences. Mini and PortableThe cup-sized aromatherapy diffuser doesn't take up much space. You can easily place it on any table while you read, work or sleep. Mini size can be easily carriedin a bag, it is ideal for travel, the office or camping. Low NoiseThis aroma diffuser produces less than 35dB sound, it has no beep button to disturb your sleep or rest. The silent essential oil diffuser It can increase the humidity of the air and improve the quality ofthe air. Can be used in study, bedroom, living room, office, yoga, spa, meeting room, baby room, etc. The Perfect GiftThis aromatherapy oil diffuser can purify the air, soothe emotions, relieve stress and help you sleep. Perfect for Halloween, Thanksgiving, Advent gifts, Christmas, Valentine's , Father's ,mother's , birth as gifts for family and friends. Material: PP Water tank capacity: 200ML Sound level: less than 36 dB Working time: 3 hours in continuous mode, 6 hours in intermittent mode.