MINi Portable Diffuser: Use USB cable, you can take it to travel wherever you want to go without worrying about the power supply specifications and taking up too much space . Difusor to Improve Air Quality: The aroma diffuser adopted the ultrasonic technology to create a soft environment by adding essential oils.Use it to improve your home's atmosphere quality, cover the smell of pets or smoking, and protect your family from excessively dry season, dust, and more! It suits salon,bedroom,large room, living room, nursery, office. Relaxation Atmosphere: This electric diffuser is perfect for every home, office or yoga studio so you can create a calming atmosphere. This device will purify and humidify the air so that you no longer suffer from dry skin and lips. The diffuser will create the perfect environment for you to breathe and sleep better, relax and feel better than ever! Waterless Auto-Off&Superior Quality Materials:we make a point of using nothing but the same ultra-high grade, safe, and eco-friendly PP materials baby bottles are made from, as well as state-of-the-art production processes and strict quality control.BPA-free diffuser combined with waterless auto-off function, will automatically shut down when the water runs out, safe for overnight use 100% RISK FREE PURCHASE: Our defusers have undergone long-term simulation tests during the manufacturing process, we use them in our homes ourselves!You can contact us if you have any questions. Your satisfaction is paramount