Low Noise & Sleep Better: Adopted noise reduction technology, ultrasonic diffuser operates quietly with no water dripping sounds, creates a restful and soothing environment for undisturbed relaxation, learning, working and sleeping
500ML Diffuser, Ideal for Large Room：The covering area reaches up to 480 ft², which can use in a large room.Enjoy up to 20 hours Fragrance. The three-time setting for option: 1/3/6H timer.
Superior Safety：You can keep this aromatherapy diffuser on at night, no need to worry about overheating because of the waterless auto-off protecting function, which assures safety for you and your family.