Ziplinq ZIP-DATA-RJ45 Retractable Cable, 8P4C, RJ45, Networking (4 feet, Black) The perfect networking cable solution for mobile users on the go! Less than 4" long when retracted! This cable easily extends to 4' by pulling both ends. Simply pull again and it quickly retracts back into its housing Connect your computer to a network or other computer Perfect for travellers who need to minimize their cable clutter