Ultra Compact Micro USB OTG to USB 2.0 Adapter Self Powered
pocketgames Micro USB Host adapter (OTG adapter) self powered - Galaxy, Xperia , HTC, Acer iconia W3, Miix 2 8, etc.This adapter wouldn't charge the tablet/Phone when the powercable is connected.you can plug a charger into it in order to provide more power to the usb devices.Ships from Amazon.com