Help & FAQs

Q1 Contact Information

Q1.1 How can I contact Sunster?
A1.1

Q2 About Shipping

Q2.1 Why hasn’t my order been shipped yet?
A2.1
Orders are processed within 24 hours during business days. If your order has not been processed for an extended time, please contact us at cs@sunster.tech for assistance with shipping-related questions.

Q2.2 In which countries/regions can I purchase Sunster products?
A2.2
You can currently purchase Sunster products in the United States and Europe.

Q2.3 Why haven’t I received my package?
A2.3
Delivery times may be delayed due to weather, holidays, or if the address is in a suburban or remote area. For further assistance, please reach out to us at cs@sunster.tech.

Q3 About Orders

Q3.1 Can I cancel or make changes to an order?
A3.1
Please contact Customer Support at cs@sunster.tech for help with canceling or modifying an order.

Q3.2 How can I change the shipping address?
A3.2
If you entered an incorrect address, please contact us as soon as possible to update it. Note: Address changes can only be made before the order has been shipped.

Q3.3 I ordered more than one item. Will they all be delivered at the same time?
A3.3
We strive to deliver all items in your order at the same time. However, different shipping methods may result in separate deliveries. You will receive a shipping notification email for each shipment.

Q3.4 What should I do if my order arrives damaged?
A3.4
Please contact Customer Support at cs@sunster.tech. We may ask for photos of the damaged item(s) and packaging to help file a damage claim.

Q3.5 What should I do if I haven’t received my order?
A3.5
If you have not received your order or the tracking status shows “DELIVERED” but you haven’t received it, please contact Customer Support at cs@sunster.tech.

Contact Sunster

Email:
cs@sunster.tech
Email Reply Time: 9:00 AM to 6:00 PM, Monday to Friday (GMT+8).
We aim to respond to inquiries within 48 business hours.

Click Product Manual to know more details