compact and retractable USB Power Port Ready charge cable designed for the Oticon Streamer Pro and uses TipExchange Cable tip wiring and power configuration is designed to Oticon specification to guarantee to put your Streamer Pro 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 Ever been stranded with a dead battery because your USB data cable didnt put your Oticon Streamer Pro 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 ultra compact and spring loaded retractable mechanism will expand to 38 inch total cable length and then retract back into a 2 inch case which will fit neatly in a shirt pocket. no additional AC power required. Uses power from the USB port of the computer to charge the Oticon Streamer Pro.