Unique Gomadic Coiled USB Charge and Data Sync cable for the T-Mobile 4G Mobile Hotspot &ndash; Charging and HotSync functions with one cable. Built with TipExchange Included TipExchange technology enables cable to be easily upgraded by simply switching the physical connector plug. Specific connection for the T-Mobile 4G Mobile Hotspot 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 (T-Mobile 4G Mobile Hotspot Specific) No additional AC power required. Uses power from the USB port of the computer to charge the T-Mobile 4G Mobile Hotspot Well-made, coiled construction custom built for dual sync and charge services of the T-Mobile 4G Mobile Hotspot. 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 T-Mobile 4G Mobile Hotspot specification.