Essential Oil Diffuser for Aromatherapy Usb Portable Wood Grain Cool Mist Humidifier with changing Colored LED Waterless Auto Shut-off for Office Home Travel Nature Health & Beauty Perfect Air Freshener: Allergies all year around and being hit the hardest in the spring is just a horrible experience. This oil diffuser is just the thing for allergy sufferers as it releases moisture into the air and allows you to control the amount by a bit and include some essential oil to clear your sinus. Wood Grain Covering: The simulated look of wood was done well and gives the aromatherapy diffuser a more unique look than the typical translucent white plastic. It can be used as a decorative piece, and also as a lamp. Relieve Your Stress: This ultrasonic aroma diffuser releases your favorite fragrance by ionizing essential oil and produces negative ions which helps you to lift your mood and discharge pressure in scented and fresh air. Powered By USB: USB design enables you to pair it with any other digital device. Not only can be used in mobile film, can also be equipped with a desktop computer, laptop, USB hub, car charger and any other USB equipments. Colorful LED lights: The oil diffuser cycles through all 7 of the colors one at a time which is great for mood lighting or night light. The diffuser and the light are turned on separately. So if you prefer to sleep in a dark room, you can turn off the LED completely.