... have ten plugs , only for phone charge , not data transfer . used in widely !Adapt for HEC,Blackberry,MOTOROLA,NOKIA,SAMSUNG,Sony Ericsson ... lable MP3,MP4,PSP,DS,GBA devices . use method, plug in computer USB connector or other charger with USB connector . usage ... the best professional and experienced engineer(more than 10 years in this field) and strict QA and QC system. Repair rate ...