Overview
Our refund and return policy lasts for 30 days from the day you received your item(s). If 30 days have passed, we cannot offer you a refund but we still provide warranty services for 1 Year after receiving date.
To be eligible for a full refund, the item must be returned with, if any, all the accessories and other components, original box, manuals, which were shipped within the box.
Ways to File a Return Request
1. Returns options are enabled on your customer account where you can initiate a return request for items within return window.
2. Email to: nservice@sunfuntek.com to request a return.
3. Call +1-626-670-1733 to request a return.
Return to Address:
Return address will be provided after request is filed and approved by us.
Returns & Refunds
Please note:
We reserve the right to disqualify you from returns or exchanges if the subsequent item(s) are the same as a previous order.
Our policy does not cover damage resulting from unique, accidental, or random damage that is the result of your use or wear and misshape of a product.
Refund Amount and Responsibilities.
For Non-defective Return:
We accept refund RMA requests within 30 days after package delivered for non-defective returns. Full refund will be issues if packages are unopened or with freight charge paid. We may apply an up-to 15% restocking fee on opened non-defective returns or unopened free shipping orders. Return freight will be paid by customers for non-defective returns.
For Defective Returns:
We accept refund or replacement RMA requests for defective units. Full refund or replacement will be issued after packages are returned to our return address as per the RMA instructions on the RMA email received with return shipping label and confirmed passed inspections by our RMA team. For defective unit we will accept return requests initiated within 30 days after actual delivery date. We will provide pre-paid return shipping label for defective returns. Once we receive and inspect your returned item, we will send you an email notifying you of the approval or rejection of your refund or replacement request. If refund request is approved, the refund will be routed back to your original method of payment; if replacement request is approved, the replacement order would be shipped within 3 business days to your designated address.
Returns & Refunds
Return and Refund Process Time
We will review and process your refund or exchange request within 2 business days. Results will be determined by if product received complies with our return policy above.
Once refund is approved:
PayPal refunds may take up to 48 hours to process and appear in your account.
Credit Card refunds will take between 7-14 business days to appear in your account.
Late or Missing Refunds
PayPal refunds may take up to 48 hours to process and appear in your account.
Credit card refunds will take between 7-14 business days to appear in your account. If you haven't received your refund, please check your PayPal account or bank account and contact your credit card company and bank. If you still haven't received your refund, please contact us at nservice@sunfuntek.com.
Exchanges
If you would like to replace an item for personal reasons, please note the following rules:
If the value of the exchanged item(s) is higher than the original item(s), you will need to pay the difference in price.
If the value of the exchanged item(s) is less than the value of the original item(s), there will be relevant refunds.
Cancellation Policy
you can cancel the order if order status is “unfulfilled”, we accept order cancellations before product being actually shipped. If the order is successfully canceled before being fulfilled, you will get a full refund. However, If the product has already been shipped out by the time we receive your cancellation request, we may unfortunately be unable to cancel the order. If products are no longer needed, you can request a return after package being delivered following steps mentioned in this policy.
Items will be handed over to shipping carrier 48 hours after we receive payment. Therefore, any cancellations attentions made after 48 hours will incur a $50 processing fee.
Warranty Policy
A. Limited One-Year Warranty Coverage
We warrant our products to be free from defects in materials and workmanship under normal use for a period of one (1) year from the date of original purchase. During this warranty period, we will, at our sole discretion, either:
Repair the product using new or refurbished replacement parts, or
Replace the product with a new or refurbished product of equivalent functionality
This warranty covers all labor costs associated with diagnosing and resolving manufacturing-related faults, as well as all necessary replacement parts at no additional charge to you.
B. Return Shipping Guidelines
If troubleshooting efforts fail to resolve the issue, you may return the entire system to our service center for inspection and repair. To ensure safe transit and avoid voiding your warranty coverage, please adhere strictly to the following packaging requirements:
Use a sturdy, rigid shipping container (original packaging is highly recommended if available)
Fill all empty spaces with shock-absorbent materials (e.g., foam padding, bubble wrap) to prevent internal movement and physical damage
Secure all loose components (including peripherals, cables, and accessories) within the package
Clearly label the package with the return address provided below
Important Exclusion: Damage caused by inadequate packaging during transit is not covered under this warranty. We cannot assume liability for products damaged due to improper packaging, as this constitutes customer-caused damage outside of manufacturing defects.
C. Return Authorization & Shipping Instructions
Before initiating return shipment, please complete the following pre-return requirements:
Remove all system passwords, screen locks, or security restrictions that would prevent our technicians from accessing and testing the device
If password removal is not possible, provide us with the necessary credentials via our official support channel
Ship the packaged product to:
Zhiguo Chen
5185 G Street
Chino, CA 91710
United States
D. Inspection & Repair Process
Upon receipt of your returned product, our certified technicians will perform:
A comprehensive diagnostic inspection to identify the root cause of the issue
Functional testing to verify the fault and confirm it falls within warranty coverage
Replacement of defective components with genuine parts that meet our strict quality standards
We will notify you promptly if:
The issue is determined to be outside warranty coverage (e.g., accidental damage, unauthorized modifications)
Additional parts or services are required beyond the scope of the original warranty
Unforeseen delays occur in the repair process
E. Turnaround Time & Return Shipment
Under normal circumstances, we aim to complete all warranty repairs and initiate return shipment within 5-7 business days of receiving your product. Once repaired, the product will be shipped back to you via a trackable carrier service, and we will provide you with a tracking number for shipment monitoring.
F. Warranty Limitations
This warranty does not cover:
Damage caused by accident, misuse, neglect, or improper installation
Products that have been modified, tampered with, or repaired by unauthorized personnel
Consumable components such as batteries, unless defective in materials or workmanship
Software issues, including viruses, data loss, or operating system errors not directly caused by hardware defects
For further assistance or to initiate a warranty claim, please contact our customer support team through our official support channels. （
Shipping Returns
To inquiry about returning your product, please contact us at nservice@sunfuntek.com for return instructions. You may be responsible for paying for your own shipping costs when returning an item. Shipping costs are non-refundable. If you are returning an item from outside the United States, you will be responsible to custom clearance and international shipping.
Please use a trackable shipping service when returning an item, as we do not process returns without a tracking number.
For Any Questions please contact:
E-mail：nservice@sunfuntek.com
Phone: +1-626-670-1733 (Monday – Friday 9am to 5pm Pacific Time)