Currently, the price of SoundID products are on the higher range of the spectrum compared to similar mobile phone products in the market - hopefully, they are superior in sound quality as compared to inexpensive ones.
Company founded in Jan 2000
SoundID uses csr bluetooth module
Potential for WiFi taking over bt
Company seems to have strong medical background (notice the founders and investors background)
Possibility of some one breaking bt encryption and putting audio in all available ear pieces around - devastating impact (as the modules might be useless or costly upgrades)
Investors' exist strategy:
Texas Instrument buying
IPO not likely until the sale of minimum 100K/Year.
Dependency on overseas manufacturing