Unique Gomadic Coiled USB Charge and Data Sync cable compatible with Sony Walkman NWZ-E473 E474 E475 - Charging and HotSync functions with one cable. Built with TipExchange Specification: Cable length: (12 to 30 inches), Outer Shell Material: (Coiled PU), Internal Leads: 24AWG, TipExchange Connector Design (Sony Walkman NWZ-E473 E474 E475 Specific) No additional AC power required. Uses power from the USB port of the computer to charge the Sony Walkman NWZ-E473 E474 E475 Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the Sony Walkman NWZ-E473 E474 E475 is included, with additional connectors for thousands of other devices available separately. Coiled design is the ideal compromise between durability and compactness. Quality 24AWG lead data lines maximize both charging and data speeds. Coiled cable can stretch when you need it and pack compactly when not in use.