Support Essential Oils: This car humidifier aroma diffuser will support oils to make your car smell sweet. For Car/Travel/Home/Office: Portable and fit for car cup holder, USB powered, specially car interior, let you drive in fresh, sweet and invigorating surroundings. Also designed for home and office, put it on your desk, powered from computer ports, cellphone charger or power bank.(No adapter included, only USB cable) Rich Work Modes: Press the switch 1st time for continuous work mode with LED light in 3 hours, 2nd time for intermittent work mode with LED in 7 hours, 3rd time for continuous work without LED in 5 hours, keep Press to turn off. USB Power, Colorful Light and Auto stop: USB for easier operation and faster power source, auto stop for safety, LED light will auto change colors and you can let it work without LED light. Take this item home, it will help you effectively: HUMIDIFIER: It produce super-tiny water droplets and much oxygen ions into the air surround you. CLEAN: Tiny water droplets will absorb and take dust & bacteria in the air, then you will feel air become more fresh and clean. PROTECT: More humidity in air will prevent your skin from dry then itch, it will also protect leather item in your car/home. BRETHE: Oxygen ions can increase human lung capacity then make you breathe better and feel more energetic. Features of difference from other similar items: When your first time use, please add full water then put it upside down in 60 sec. to let it faster absorb enough water. If the top machine do not absorb enought water, it may do not work, or make weak mist, or make squeaky sound... Support essential oils for car fragrance. Designed for both car and home. 200mL water can works in 7-10 hours. BPA f-ree safe and healthy material. Type: USB mini car diffuser humidifier. Input voltage: DC 5V, USB. Wattage: 3W colour:black Material:ABS size:15*7cm Package Contents: 1 * Car humidifier 1 * USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.