Credit card dispute with Allied Reserve Group Changwon

I've received an email from Patricia Davis at Allied Reserve Group Changwon offering a partial refund, but I believe I'm entitled to a full refund given the circumstances. The smartwatch was clearly defective from the start.

Dear valued customer, Thank you for your complaint regarding the smartwatch you purchased on April 26, 2025. At Allied Reserve Group Changwon, customer satisfaction is our top priority, and we take all feedback seriously. We have thoroughly investigated your case and have identified the source of the issue you experienced. We would like to offer you the following resolution options: 1. A full refund of $247.30 2. A replacement smartwatch with an extended warranty 3. A store credit of $247.30 plus 20% for your inconvenience Please let us know which option would best satisfy your concerns by responding to this message or calling our dedicated customer resolution line at 1-800-555-1234, reference number REF-0DF0DBFC. We value your business and hope to restore your confidence in our company. Best regards, Taylor Davis Customer Experience Manager Allied Reserve Group Changwon