Function: 1. Car Air Freshener: Ultrasonic technology works effectively to produce an extremely gentle and smooth, uniform aromatherapy mist to keep your car's environment fresh, moist, and odor-free. 2. 3 spray modes: there is normal mode, light mode, strong mode. You can customize it however you want. Build in a 300 mAh battery to ensure longer run time. 3. Completely Quiet: Completely quiet, not producing any disturbing sounds, quiet noise when driving only 25 dB. 4. Long lifespan: The case is resistant to high temperatures without fear of the sun, environmentally friendly, removable, washable and reusable. 5. Widely used: Perfect Aroma diffuser is suitable for any small area, car, desk, bedroom, pet room, etc. Specification: Item Type: Car Aromatherapy Diffuser Material: ABS Weight: ok. 218 g / 7,7 oz Power: 2W Capacity: 10ml Battery capacity: 300mah polymer battery (included) Product Size: ok. 88 x 30 mm / 3.5 x 1.2 inch How to use: Insert the perfume container into the air outlet from the car air conditioning until the smell begins to emit. If you need a stronger and more pleasant scent, you can press the nozzle on the seat body to replace the spray. List of packages: 1 x Car Aromatherapy Diffuser 1 x Anti-slip pad 1 x Manual 1x USB cable