Kanex HDMI to VGA Adapter with Audio Support for Apple TV- HDCP Compliant-power adapter included HDMI to VGA Adapter allows a VGA projector to use Apple AirPlay mirroring from an iPad to Apple TV, thus eliminating the need to upgrade to expensive HDMI projection equipment. Enhance presentations and educational iLearning experiences by bridging the gap between current equipment and modernization A built-in 3.5mm audio jack is included so you can play movies and music during your presentation. Plug and play to your Apple TV and Roku Micro-USB port for connecting to included power adapter (Kanex 1 Amp wall charger and 4 foot/1.2 Meters Micro USB cable) Resolutions supported: 480i/576i/480p/576i/720p /720i/1080i/1080p Vertical Frequency Range: 50 / 60Hz Cable Length on adapter: 7 inches