Cable tip wiring and power configuration is designed to Trimble specification to guarantee to put your Juno 5B 5D into the proper charge mode for the fastest charging possible * Ever been stranded with a dead battery because your USB data cable didnt put your Trimble Juno 5B 5D 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 * 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 Trimble Juno 5B 5D is included with additional connectors sold separately. * Gomadic Lifetime Warranty ensures the product is built to last.