Add 1-2 drops of essential oil (not included) into the water tank, use remote control to turn on the diffuser and then to relax. The Ultrasonic design ensure the oil diffuser produce the smooth mist for a long time. Minty oils such as peppermint, wintergreen, and spearmint can help you feel fresh and cool. Use the oil diffuser in the office to help your significant other create vivid memories. Our essential oil diffuser not only can be used as aromatherapy, but also as humidifier. Use it to improve the air and atmosphere quality, and protect your family from excessively dry air, microorganisms, dust, and so on! As the pace of life is increasing, people may easily to be tired, anxious and hard to get sleep.Use with One pure soothing lavender essential oil (not included) to de-stress yourself after a long day and to sleep better at night.