Description: -With the closed design & the cup size design, when you drive or travel, it is a good choice for you to bring it with you. -Designed with imitating the humidity environment of the forest, add some drops of oil to the water and it immediately becomes an aroma diffuser. -Different from other car humidifier, this car oil diffuser use new ultrasonic tech. so don't require filter sponge wicks, water and essential oils will be directly atomized in water container so will be not clogged, you can add as much oils as you wish and oils will become mist faster and better. -Personal care for car&office: Oil diffuser can breaks water and essential oils into extremely fine micro-particles without heat, micro water-drop can absorb dust and bacterium in air, help you clean&fresh air in car and office, especially for a new car. More humidity also prevent dry cough, sinus irritation and dry skin, aroma oils can lift your mood, relieves stress and bring happy driving on your journey. -Safe, BPA free material to ensure health, auto shut-off when water has been used up, none heat ultrasonic tech. To avoid fire risk, 5V USB powered low voltage, leak prevention and water-trough design, we did more to let you rest assured. This is also a very quiet oil diffuser for car, home and office, just add water, add oils, press top switch to start then enjoy, easy! -Strong Service Ability: Add water up to the "Max" line(never exceed the max line), it will keep work in 3 hours, press the switch again for intermittent work mode(5s on and 5s off). Specification: Operating Voltage : DC5V Working current : 500MA Use power : 2.5W Bottle capacity : 200ML Spray volume : 30ml/h Product Size : 72mm*72mm*133.5mm Material : ABS + PP+Silicone Color: As the picture shows Product Weight : 150g Package Included: 1* Air Humidifier 1* USB Cable 1* English Manual