Product Custom Fields in Odoo helps businesses add extra information to products easily. It allows you to create custom fields on product forms to store details such as specifications, notes, or internal references. This makes product data more organized and clear for teams. With custom fields, users can view and manage all required product information in one place. It reduces confusion, improves accuracy, and supports better product management. The feature is simple to use and helps businesses adapt Odoo to match their specific product needs without changing existing workflows.