When you return the item because the item has defects or any issues in working, We can't refund the custom charge.
We only refund your money based only on item price and shipping cost.
Because usually you can get the refund of custom charge from your country's custom.
The Procedure for getting refunds of custom charge depends on your country's custom, please contact directly with your country customs in advance.
We can't support about that, please understand.
***Please be aware that procedures may be required before you return goods.