No they haven't sold anything, they sold them to the distributor who increase the number because the price was dropped from $300 to $100, they still need consumers to buy the product as that's were the revenue will come from their business model.
You do know the previous version of Wheezo already received FDA approval so again it come back to the initial opinion of whether consumer would paid that much money for a device that screen for wheezing, I'm sure adult and older children who has asthma all their life would know when they are actually wheezing so the age demographic will be 14 years old and younger who don't know which will limit their revenue.
