To edit the imported Amazon products,

• Go to the Magento 2 Admin panel.
• On the left navigation bar, click the AMAZON PRODUCT IMPORTER menu.
  The menu appears as shown in the following figure:
  
• Click Import Products.
  The Amazon Products page appears as shown in the following figure:
  
• Scroll down to the required product row.
• In the Action column of the respective row, click the Edit link.
  The respective product page appears.
• Scroll down to the AmazonProductImporter tab, and then click the tab.
  The page appears as shown in the following figure:
  
• Make the changes in the corresponding fields if required.
• Click the Save button.
  The entered values are saved.