MULTI-FUNCTION: The USB mini aromatherapy diffuser provides many benefits.Use as a portable diffuser, air refresher or humidifier. Enjoy your essential oil anywhere with lovely fragrance fills up everywhere, maintain a fresh and odor free environment. | Working mode: Press the button to turn on the machine, and the continuous fogging time is about 6 hours. Pat light: Gently tap the upper part of the product to control the light color and on or off. | AUTO TURN OFF: Once powered on, the mist starts immediately. Once the water runs out to “Min”, The USB portable diffuser will be auto shut-off. It can be used for Humidification/Aromatherapy/Purify Air/Night Lamp. You can use the aroma white oil diffuser at Home/Office/ Study /Yoga/ Spa. | EASY TO USE: Multiple power supply, could be charged by AC adapter, USB, mobile phone charger, power bank or car USB power supply, for different using demands.The 80ml essential oil diffuser is simple but very effective. Take the upper cover, add distilled water, add oil, press button to start. It is an awesome product to add fragrance to any space. | 100% SAFETY GUARANTEE: For the aromatherapy essential oil diffuser, we will refund or send a new one as any quality issue with it. Please do contact with us quickly if you have problem with the product. We will process your problem ASAP.