Innovative lens shape design, 360 degrees fresh air aroma more in place, aroma makes people feel happy to eliminate the smell of the car, the camera design can be stored in the caravan cups on the car holder, more secure. Feature: 1. Material: ABS + PC 2. Product Size: 7.3 * 11CM 3. Color: black, white, gray 4. Input voltage: 12V / 24V 5. Operating voltage / current: Aromatherapy mode 12V / 300mA; USB output mode 5V / 3.1A (max) 6. Output voltage: USB DC5V How to use: 1. counterclockwise optional open to open the class, the built-in suction cotton extract 2. Put your favorite essential oil vertically on the absorbent cotton until it can not be absorbed 3. Put the sucking essential oil into the aromatherapy seat 4. Align the top cover with the fragrance of the mouth of the two card position, clockwise tightening 5. Insert the DC drive plug into the vehicle cigarette lighter and the indicator light is on 6. Insert the DC jack into the host DC jack and the electronic display shows the instantaneous input voltage 7. Hand to the aromatherapy seat cover button slide open, the actual outlet leakage 8. Press the host aroma switch, you can enter the aroma mode 9. When you do not use the aromatherapy function, press the aroma switch, make it close, and then slide back to the aromatherapy seat cover button, close the outlet can be Package Content: 1 X Diffuser 1 X DC Car Charger Plug 2 X Sponge (spare parts) 1 X User Manual