Coiled Power Hot Sync USB Cable for the Amazon Kindle (1st Generation) with both data and charge features - Uses Gomadic TipExchange Technology Specification: Cable length: (12 to 30 inches), Outer Shell Material: (Coiled PU), Internal Leads: 24AWG, TipExchange Connector Design (Amazon Kindle (1st Generation) Specific) No additional AC power required. Uses power from the USB port of the computer to charge the Amazon Kindle (1st Generation) Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the Amazon Kindle (1st Generation) is included, with additional connectors for thousands of other devices available separately. Well-made, coiled construction custom built for dual sync and charge services of the Amazon Kindle (1st Generation). Works from the standard USB data port of any PC. Cable is 12 inches coiled length. however, can be stretched to over 30 inches. Cable tip, wiring and power configuration is designed to Amazon Kindle (1st Generation) specification.