Gomadic USB Charging Data Coiled Cable designed for the Golf Buddy PT4 Will charge and data sync with one unique TipExchange enabled cable No additional AC power required. Uses power from the USB port of the computer to charge the Golf Buddy PT4 Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the Golf Buddy PT4 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 (Golf Buddy PT4 Specific) Combines two critical functions (e.g. data sync and charging) into one single accessory cable. Saves space, clutter and money. Well-made, coiled construction custom built for dual sync and charge services of the Golf Buddy PT4. Works from the standard USB data port of any PC.