1. Amazon guarantees a refund within one month.
2. Beser guarantees a 60-month warranty, and whether a refund can be made depends on the documents provided.

1. Amazon refunds will be returned to the payment account and completed within 3 days.
2. Beser refunds through PayPal and completed within 2 days.

1. Amazon can only apply for a refund within one month.
2. Beser conditionally processes refunds within the 60-month warranty period.

1. To apply for a refund from Amazon, you need to ask Amazon's official customer service.
2. To apply for a refund from Beser, the after-sales service staff will respond within 24 hours.