Mini Usb B 5Pin To OTG On-The-Go Cable Usb Power 4 Tablet Mp4 Phone E-Book For Samsung I9100 I9300 It's a standard USB Micro-B HOST Cable , need your machine support usb host OTG function . USB A tape female is to connect USB pen disk, USB keyboard. The flash memory disk format must be FAT32 if you connect the storage. SamSung S2 i9100 i9220 i9250 i9300,MotoRola XOOM,Nokia N900 N810,GPS MP3 MP4 PDA MOBILE PHONE PMP and more use. The Micro USB-B plug is connect OTG device