Gomadic USB Power Port Ready retractable USB charge USB cable wired specifically for the Panasonic Lumix DMC-LF1K and uses TipExchange Cable tip wiring and power configuration is designed to Panasonic specification to guarantee to put your Lumix DMC-LF1K 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 Panasonic Lumix DMC-LF1K 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 Gomadic Lifetime Warranty ensures the product is built to last. 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.