What are the details of refund?

What are the details of refund?
Refund on return
You could get full refund on the follows two situations:
First, when you received your item, there is quality problem and the item cannot be used, the hardware, software or adapters have problem, we will full refund to you.
Second, if we send you the wrong item we will pay the extra fee and full refund to you.
Partial refund on return
First, if you are not satisfied with your item that you brought from us within a week, you could get partial refund which minus the shipping cost, 10% handling fee, and cost on items activated if the product needs activating.
Second, if you order a wrong item from us within a week you can ge partial refund which minus the shipping cost and 10% handling cost.
First, we will full refund you or resend you a new good item if Express Company lost the item on the way.
Second, please contact our customer service for the following situation:
In some special season, when our customer service learning that your specific problem then you can get refund.