### Chinese: 2.非产品本身质量问题，由于买家选错型号及其他因素需要退换货，在不影响产品本身功能没有问题及不影响二次销售的，本店支持除运费外的免费退换货服务，来回运费运费需要买件承担。
### English: 2. non-product quality problems, because the buyer selected the wrong model and other factors need to replace the goods, without affecting the function of the product itself, there are no problems and does not affect the secondary sales, the store supports free replacements service in addition to shipping charges, return shipping charges must be borne.
### Errors: There is a major error at "non-product". There is a major error at "problems". There is a major error at "and other factors need to replace the goods, without affecting". There is a major error at ", there are no problems and does not affect the secondary sales". There is a major error at "replacements service". There is a major error at "addition to shipping charges, return shipping charges must be borne".

### Improved English: 2. If you need to exchange or return the products due to reasons other than the quality of the product itself, such as the buyer choosing the wrong model or other factors, our store supports free exchange and return services under the condition that the function of the products or a second sale is not affected, and the shipping fee back and forth shall be borne by the buyer.