mshark, if you paid by credit card, the credit card companies will sometimes help you.
Hearing Aid companies are notorious for offering money back and then refusing refunds. My Discover card was able to retrieve $7,000+ for me when the company refused to honor the guarantee.
At the same time plague them with emails.
Company: NerVital
Order Support Email: support@cartpanda.com
Email: astroncaps@gmail.com
Phone: 1-866-637-2482