Gomadic USB Charging Data Coiled Cable for the TomTom GO 740 Will charge and data sync with one unique TipExchange enabled cable Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the TomTom GO 740 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 (TomTom GO 740 Specific) No additional AC power required. Uses power from the USB port of the computer to charge the TomTom GO 740 Cable is 12 inches coiled length. however, can be stretched to over 30 inches. Cable tip, wiring and power configuration is designed to TomTom GO 740 specification. Well-made, coiled construction custom built for dual sync and charge services of the TomTom GO 740. Works from the standard USB data port of any PC.