... , not data transfer . used in widely !Adapt for HEC,Blackberry,MOTOROLA,NOKIA,SAMSUNG,Sony Ericsson,LG and the same lable MP3 ... . usage period,1,standard miniUSB plug (HEC,HTC,O2,Blackberry,MOTOROLA,Part of Chinese ,MP3,MP4,PDA,digital camera etc.)2 ... ,Standard microUSB plug (NOKIA,SAMSUNG,BLACKBERRY,MOTOROLA,LG ETC.),7,New SAMSUNG (i908E,S5230,F488,S3600 ETC ...