With this dust cover by Delock the female port is protected from dirt or damage. The application of the dust cover keeps the sensitive connectors ready for use in the long-term, especially in dusty environments and in the industrial sector. Technical details https://elecena.pl/product/26592511/64286-usb-type-e-key-a-key-b-dust-cover-10-pieces 2024-07-30 https://elecena.pl/product/26592511/64286-usb-type-e-key-a-key-b-dust-cover-10-pieces 2026-02-26