... 2:have CE,FCC,ROHS approved 3:factory directly marketing All Kit for Blackberry/iphone 4S/4&/Ipod/iphone 3GS&IPHONE ... 3GS,iphone 4,iPod nano 5th generation, iPhone 3G,iPhone,all iPod models,MP3 & MP4 Players,and 3.5mm stereo connector ... for normal headphone All Kit for Blackberry/iphone 4S/4&/Ipod/iphone 3GS&IPHONE