SupPorts all video resolutions and audio formats including HDTV video and digital audio. Connect a Smartphone, Tablet or Other MHL Enabled Device to an HDMI TV, Designed for Use with Mobile Devices Featuring MHL Technology. Make sure your phone is compatible before purchase. Alows for a Micro USB Cable (5 Pin) to be connected to the Adapter to allow the phone to Charger. MHL Adapter allows you to connect a Micro USB (11 Pin) Port to a HDMI equipped device. This is Micro USB 11Pin connector for new samsung s3 i9300, cannot use for standard miro USB MHL mobile phone like i9100 i9220. You need to buy another i9100 Micro USB 5Pin MHL Adapter to connect it and then is can use for i9300.