The Ultrasonic Car Aroma Diffuser is a compact device designed to maintain a pleasant atmosphere in your vehicle, home, or office. It uses ultrasonic technology to disperse fragrances from its 50 ml reservoir, while the 500 mAh battery allows for cordless use. You can power it via a USB interface with a 5V/1A charging port, and the 5W power output ensures a steady mist. Constructed from aluminum and polypropylene, this cylindrical diffuser features a matte black finish and a transparent bottom that lets you monitor the remaining liquid. Measuring 63 x 84 mm and weighing 350 g, it fits easily into car cup holders or on small desks. For those who prefer a constant scent, the device includes a timer disable function for continuous operation.