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 for you to 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 the 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 color and brightness to create a romantic atmosphere according to your preference. Mini and portableThe cup-sized aromatherapy diffuser does not take up much space. You can easily place it on any table while you read, work or sleep. The mini size can be easily carried in a bag, it is very suitable for travel, office or camping. Low noiseThis aroma diffuser produces less than 35dB sound, it does not has no beep-beep button to disturb your sleep or rest. The silent essential oil diffuser It can increase air humidity and improve air quality. 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 Day, Father's Day, Mother's Day, birthdays as gifts for family and friends.