Check the listing for details. 10-100PCS Power Charger Converter Adapter Cable For DELL 7.4mm To 4.5mm Lot. Color: Black, Condition: New. Listed at 13.07 USD. This is Brand New and High Quality product which can convert round connector to square connector. It is 7.4mm X 5.0mm Round Jack (old type) to 4.5mm x 3.0mm Plug End (new type) Adapter Pigtail. Color: Black cable with small Tips Fast shipping from US. 7.4mm/F TO 4.5mm/M For Dell Length: 15cm【0.5FT (6")】 Compatible with: For Dell small Tips Package Includes: 10-100x Power converter Cable Adapters(Optional) Note: The main function of the product is interface conversion, please check whether the voltage and current of the equipment at both ends are consistent before purchasing. On Jul 23, 2024 at 20:58:29 PDT, seller added the following information:This is Brand New and High Quality product which can convert round connector to square connector. It is 7.4mm X 5.0mm Round Jack (old type) to 4.5mm x 3.0mm Plug End (new type) Adapter Pigtail. Color: Black cable with small Tips Fast shipping from US. 7.4mm/F TO 4.5mm/M For Dell Length: 15cm【0.5FT (6")】 Compatible with: For Dell small Tips Package Includes: 10-100x Power converter Cable Adapters(Optional) Note: The main function of the product is interface conversion, please check whether the voltage and current of the equipment at both ends are consistent before purchasing. On Jul 23, 2024 at 20:58:29 PDT, seller added the following information: