ITEM NAME:LED Essential Oi Ultrasonic Air Purifier Humidifier Aroma Humidifier Diffuser 500ml 7 Colors USB LED Air Purifier Aroma Humidifier Ultrasonic Essential Oil Diffuser Spa Aromatherapy SPECIFICATIONS.(500ml 7 Colors USB LED Air Purifier Aroma Humidifier Ultrasonic Essential Oil Diffuser Spa Aromatherapy. Advanced Ultrasonic Technology: 1.7MHZ. 1) 7 Colors LED night light. 3) Before power on, make sure there is enough water in the tank.
