1.connect your MHL devices to your HD Television. Connect your micro USB 11-pin port to an HDMI (type A) device. 2.Supports all audio/ video resolutions,Website:http://www.szaikexin.com, including 1080p. Power your cell phone while It's in use with the charger. 3.Supports up to 8 channels of audio and 7.1 surround sound. 4.MHL Mirco USB to HDMI HDTV-out Adapter 11 pin Cable for Samsung Galaxy S3 S4 i9300 Note II N7100 Support 7.1 Digital Surround Sound 5.Compatible: Samsung Galaxy S4/S3/Note2 6.Supports all video resolutions and audio formats including 1080p video and digital audio 7.Separate Micro USB port for Charging 8.Shows your 1080p HD video on big TV screen using this cable 9.Automatically switches the phone into USB data / charging or MHL audio / video modes. 10.Input: 1 x Micro-USB shaped MHL jack (male),Output: 1x HDMI female 11.Other: 1x Micro USB female for charging 12.Measures 152mm long(about)