DigitCont MHL HDMI Connection Kit + OTG TF SD Card Reader for Samsung Galaxy S3 Note 2 3 Micro USB (11-pin) to HDMI adapter cable. Turns your phone's USB port into a standard HDMI port & SD Card Reader. Works with all MHL (Mobile High-Definition Link) enabled mobile phones and tablets. Support reading USB flash disk, SD/TF/M2 memory cards. Keeps your phone charges while connected.(Required when in use.)