Unique Gomadic Coiled USB Charge and Data Sync cable for the Sony Walkman NWZ-E464 &ndash; Charging and HotSync functions with one cable. Built with TipExchange Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the Sony Walkman NWZ-E464 is included, with additional connectors for thousands of other devices available separately. Specification: Cable length: (12 to 30 inches), Outer Shell Material: (Coiled PU), Internal Leads: 24AWG, TipExchange Connector Design (Sony Walkman NWZ-E464 Specific) No additional AC power required. Uses power from the USB port of the computer to charge the Sony Walkman NWZ-E464 Cable is 12 inches coiled length. however, can be stretched to over 30 inches. Cable tip, wiring and power configuration is designed to Sony Walkman NWZ-E464 specification. Coiled cable can stretch when you need it and pack compactly when not in use.