Unique design. Made of ABS and PP material, button electroplating process, use orange or blue color lights combination with mist effect, creating a realistic frame, it looks as if the flame is dancing and creates a very calming feelingEssential Oil can be Added. This essential oil diffuser is perfect for ultrasonic aromatherapy, add 3-5 drops of your favorite essential oils to calm mind, relieve fatigue and ensure a pleasing atmosphere for you to relax. It's a fun addition to your bedroom, living room, guest room, office, etc.Upgraded ultrasonic aroma diffuser air humidifier with 2 spray mist modes flame & volcano. The "flames" look so realistic for being nothing but LED lights and mist. It's very calming and enjoyable even if you don't use essential oils or aromatherapyUltra-Silent & Auto Shut-Off Function. Ultra-quiet of 36dB peaceful environment to help calm your mood, relieve stress & improve your sleep quality. Our aroma diffusers built-in intelligent chip that will automatically stop working when there is a lack of water, making it very safe to useEasy to Use. Pls use the cable that comes with it and make sure it is plugged into a wall, just fill with water to the MAX FILL line, and turn it on