chenyang USB 2.0 to Micro USB OTG Cable with Micro USB Power Supply Port

Specifications: High quality Original USB 2.0 Micro-B HOST OTG CABLE Interface: Micro USB male: to connect your device with OTG function Micro USB female: to charge the extra USB device with a micro USB cable USB female: to connect USB device FOR : Samsung S2 i9100 S3 i9300 i9220 9250 XOOM A500 and more use. Can use MOUSE KEYBOARD GPS USB DISK and more ... The Micro-B plug is for OTG device and also for Power charge. The disk format must be FAT32 if you connect the storage. Length: 15cm.