1. Before ordering
- Confirm product specifications（size, power, interface type）match your device before checkout; you can contact support if you need compatibility verification.
- Check shipping destination restrictions: some regions have special customs requirements for electronic goods, you may check Shipping Information page for reference.
- For bulk purchase, go to Corporate Purchase channel to get exclusive wholesale quotation.
2. During checkout
- Double check shipping address, contact email and phone number to avoid delivery failure.
- Available payment methods are shown on checkout page; all transactions are encrypted for payment security.
3. After payment & delivery
- You can input order number in Track your order page to view logistics status anytime.
- Keep original package within return window if you may need to apply refund or exchange later.
- Save product packaging: it is suitable for future product storage or return shipment.
4. Usage & after-sales
- Refer to included installation manual after receiving goods; contact help center if you run into setup problems.
- Check Returns & refunds policy before submitting return requests.