iKross Micro-USB 2in1 OTG/SD Memory Card Reader Adapter + USB Cable, USB OTG Adapter, USB Memory Card Reader for Lenovo A2109; Sony Xperia Tablet Z; Acer Iconia Tab A210, A200, A510, A500 2in 1 Feature, Micro-USB to OTG USB 2.0 (usb On-The-Go) / SD Memory Card Reader Support Cellphone, Tablet which is Andriod 4.0 or above and exists OTG fuction.(the tablet's connector must be host function) Provide USB port which can connect USB Flash Disk(OTG), mouse and keyboard, etc. and 4 slots card reader support SD, MicroSD, MS & M2 Support USB data hot swap sync to PC or Smartphone / Tablet with a LED indicator. The USB HUB is not used to charge your Device, USB HUB function and card reader function can't be used at the same time