알리 헤드폰 교환인데.. 절차를 모르겠습니다.2

알리에서 산 헤드폰에 문제가 있어 셀러에 연락했더니 아래처럼 답변이 왔는데 무슨 말인지 모르겠습니다. (중요 정보는 지웠으며 구매품은 하이파이맨 r10d 이고 하만 공식 셀러입니다) 

발송을 어떤 운송사로 하라는건지? 15달러 금액 신고는 어떻게 하는건지? 상품페이지에서 교환 신청은 안하는건지? 

알리 교환이 처음이라 감이 안오는데 확인 가능하실까요?

Good day! Thank you for contacting us. We are sorry for the inconvenience caused and will send you a brand new replacement after you return. 
Please ship your defective item to our HONG KONG address: 
CONTACT PERSON:
Contact no.:
In your package, please include: 
1.The item with all accessories such as the box, case or cables. If you could, please take a photo of the stuff you are going to send before you package them. 
2.Please DO NOT ship via the local post office, as it could not be delivered to us. 
3. A copy of your receipt or order confirmation. 
4. A note stating you need a replacement; 
5. Your RMA# is ZBHX-ALIYDYxxxxx, please write the RMA# outside the box and in your note. 
6. To expedite the delivery of your package and facilitate a prompt arrangement of follow-up matters, would you please declare the value below US$15? By doing so, it can potentially reduce any delays. We appreciate your consideration and support in this matter. 
7. All items sent should be in a hygienic condition, or an additional cleaning fee may be charged. Please email us your tracking information once posted. We will arrange the replacement upon receiving your packaged item.