When you purchase an item and you are not completely satisfied with the item, you can change to other products within 14 days of receipt, must be considered but you cannot change a refund.
When you buy a product and you're not satisfied. You can change the product within 14 days, it must come with a receipt. But you can not change a refund.
When you buy the goods, and you are not satisfied with the goods. You can change the other goods within 14 day by holding on to the bill. But you can"t turn back the money.