This is Multi-function USB OTG Host Hub Adapter Cable.<br>Suitable but no limited For Dell Venue 8 Pro Windows 8"Tablet.Micro-USB OTG Function Phone.<br>Brand new multi-function OTG cable<br>Two ports with USB sign: Support USB flash disk， card reader，mouse， USB hard disk Can be used together.<br>The another USB Power port can connect the original charger toSupport the Power for the USB flash disk，card reader， mouse， USBhard disk.<br>But the USB Power can not Charger your Tablet and Smartphone!!!Only support power for the OTG Ports.<br>Compatible with:All devices with Micro USB<br><br>Note: The hard disk must have external power， the disk format mustbe FAT32， can not read NTFS !<br><br><img alt="" src="http://img.sellercube.com/UploadFile/P0/SKU122247/121be0b0-e4f7-22d6-64a4-27caffaed87e.jpg"style="width: 600px; height: 600px;"><img alt="" src="http://img.sellercube.com/Uploadfile/6/SKU122247/20140311171432800.JPG"style="width: 600px; height: 600px;"><img alt="" src="http://img.sellercube.com/Uploadfile/6/SKU122247/20140311171323077.JPG"style="width: 600px; height: 600px;"><img alt="" src="http://img.sellercube.com/Uploadfile/6/SKU122247/20140311171303533.JPG"style="width: 600px; height: 600px;"><br>