From the Inhalio' wesite:
"Inhalió delivers Dry Air Scent on Demand, improving the in-store at the counter experience for the world of Personal Fragrance. Ending annoying sprays and impossible paddles, Inhalió delivers up to 400 different fragrances, engaging consumers. It’s an experience that’s both enjoyable and measurable.
Our Dry Air USB, takes the store to the consumer. In the privacy of their home, it deploys Scent on Demand and takes them to a web landing page where they can order the product."