Gomadic USB Charging Data Coiled Cable for the Palm palm Tungsten E 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 Palm palm Tungsten E 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 Palm palm Tungsten E Specification: Cable length: (12 to 30 inches), Outer Shell Material: (Coiled PU), Internal Leads: 24AWG, TipExchange Connector Design (Palm palm Tungsten E Specific) Coiled cable can stretch when you need it and pack compactly when not in use. Supports USB 1.1, 2.0 and 3.0 transfer standards