Gomadic USB Charging Data Coiled Cable for the TomTom START 45 45M 45TM 55 55M 55TM 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 START 45 45M 45TM 55 55M 55TM is included, with additional connectors for thousands of other devices available separately. No additional AC power required. Uses power from the USB port of the computer to charge the TomTom START 45 45M 45TM 55 55M 55TM Specification: Cable length: (12 to 30 inches), Outer Shell Material: (Coiled PU), Internal Leads: 24AWG, TipExchange Connector Design (TomTom START 45 45M 45TM 55 55M 55TM Specific) Coiled cable can stretch when you need it and pack compactly when not in use. Cable is 12 inches coiled length. however, can be stretched to over 30 inches. Cable tip, wiring and power configuration is designed to TomTom START 45 45M 45TM 55 55M 55TM specification.