Matrix HDMI Bidirectional Switcher 4K HD Projection Hub Audio and Video Three-in-One Converter Cross-Border

[Buyers Must Read]: Our Company Sells Goods. If There Are Any Quality Problems Or Less Delivery during the Sales Or Use, Please Contact Us in Time. We Will Solve Them for You Immediately, and Give You a Satisfactory Answer. 1. After the Goods Arrive at the Receiving Place, No Matter Whether the Outer Packing Box Is Damaged Or Not, They Must Be Unpacked and Checked. Please Check the Goods Face to Face and Sign for Them after Confirming That They Are Correct, by Default, the Customer Has No Objection to the Delivery Quantity and Category of the Product after Signing, So the Customer Will Not Accept Complaints about the Shortage of Goods after Signing. If Any Product Is Damaged Due to Transportation Problems, please Ask the Relevant Transportation Company to Issue the Certificate Stamped with the Official Seal, and Provide This Certificate to Us, and We Will Assist the Customer to Make a Claim; If the Goods Are Damaged Or Lost Due to Logistics, we Will Not Bear the Relevant Responsibilities. 2. For Long-term Cooperative Wholesale Customers and Distribution Customers, We Implement the Long-Term Guarantee System. For a Small Number of Customers Who Take the Goods, We Implement the Relevant Laws and Regulations (Non-Artificial Quality Question Return and Exchange Within 7 Days, Warranty Within 30 Days, Warranty for Functional Products Within 180 Days, and No Warranty for Protection). When the Customer Finds the Product Quality Problem and Returns the Product, Please Return It to Our Company by Ordinary Express, and the Freight Customer Pays in Advance. If the Customer Returns the Product Directly without Communicating with the Customer Service, We Will Not Accept It; Our Company Will Not Accept the Delivery. 3. The Buyer Is Not Satisfied Or Not Good at Selling, and the Reason Is That the Buyer Bought the Wrong One, There Is No Quality Problem in the Product, We Will Not Return Or Exchange the Product; 4. Warranty Products Need to Be Returned Within the Warranty Period, and the Product Appearance Is Complete and Can Be Guaranteed. Repair and Refit without Authorization; If It Is Not Used According to Normal Methods, the Stored Products Are Not Covered by the Warranty.