USB Power Port Ready retractable USB charge USB cable wired specifically for the Sony Ericsson P990i and uses TipExchange 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 Sony Ericsson P990i 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 Sony Ericsson specification to guarantee to put your P990i into the proper charge mode for the fastest charging possible no additional AC power required. Uses power from the USB port of the computer to charge the Sony Ericsson P990i. integrated TipExchange Technology provides an upgradeable path by simply exchanging the physical connector plug. Specific connection for the Sony Ericsson P990i is included with additional connectors sold separately.