Easily plug and play, no need external power supply
Mampiasa tokan-tena, thin adapter to connect the mobile device to the HDTV Connects Micro USB Female port to Computer or Power Adapter for charging and getting power using a Micro USB to USB M/M cable Supports Max resolution to 1080p and all bandwidth between 25-75MHz Compatible to: Samsung i9300 Galaxy S3 Galaxy S3 Verizon i535, Galaxy S3 T-Mobile T999, Galaxy S3 at&t i747, Galaxy S3 Sprint L710