Generic MHL Micro USB to VGA + Audio Adapter for Samsung Galaxy S3 S4 Note 2 etc Micro-USB shaped MHL jack. Automatically switches the phone into USB data / charging or MHL video modes. This MHL adaptor allows you to create an VGA output via your handset's micro USB connection. MHL must be an external power supply, otherwise there is no output to VGA. Support: For Samsung Galaxy S3 i9300 i9308