How does the 90-day return policy work? Will I incur shipping fees?

Direct Purchases from AliveCor:
If you bought your Kardia 12L directly from AliveCor, free returns can be initiated by contacting Customer Care at [phone] or [e-mail]. AliveCor will provide a pre-paid shipping label. There are no return fees.

Purchases from Other Resellers:
For devices purchased through third-party resellers, please contact your sales representative for details on their return policy.