Compact and retractable USB Power Port Ready charge cable designed for the Garmin nuvi 57 / 58 LM LMT and uses TipExchange Ever been stranded with a dead battery because your USB data cable didnt put your Garmin nuvi 57 / 58 LM LMT into charge mode? At Gomadic we resolved this issue ... read on below in to learn what we do different with our USB Power Port Ready cables Cable tip wiring and power configuration is designed to Garmin specification to guarantee to put your nuvi 57 / 58 LM LMT into the proper charge mode for the fastest charging possible Included TipExchange Tip ensures the fastest charging by putting your phone into charge mode rather than the typicale USB data mode that every other brand does ... this attention to detail resulting in faster and more consistant USB power port charging integrated TipExchange Technology provides an upgradeable path by simply exchanging the physical connector plug. Specific connection for the Garmin nuvi 57 / 58 LM LMT is included with additional connectors sold separately. Gomadic Lifetime Warranty ensures the product is built to last.