USB Power Port Ready retractable USB charge USB cable wired specifically for the Sandisk Sansa e280 and uses TipExchange Ever been stranded with a dead battery because your USB data cable didnt put your Sandisk Sansa e280 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 Cable tip wiring and power configuration is designed to Sandisk specification to guarantee to put your Sansa e280 into the proper charge mode for the fastest charging possible retractable design provides unbelievable compactness. Durable, highly conductive and thin 30AWG copper data leads that support dual charging and data functions. no additional AC power required. Uses power from the USB port of the computer to charge the Sandisk Sansa e280.