The description only has 2 functions: mirror and stream functions if you dont place the order. Easily support Google Chromecast protocol for android phones - Support Netflix / YouTube by screen mirroring. Other applications can also be used via mirroring. Support Miracast/DLAN/Airplay/Airplay mirroring/Chromecast four protocols. Support online and local content wireless viewing: video/audio/photo/desktop file/website. No switch. Auto play movies/music/pictures. HDMI output interface with Full HD. 1080P output with faster processing speed gives you a perfect home theater experience. Online upgrade is supported. No APP or driver required, just 3 steps to enjoy multimedia content on the big screen: Plug-Connect-Mirroring. Please follow the step shown in the pictures correctly, otherwise it will not work. Special Note: This is not a Chromecast, but a dongle that supports Google Chromecast. This dongle only support android Phone for Chromecast for Netflix/Youtube via screen mirroring. Support IOS for Youtube by screen mirroring and casting above Main Features: Main Chip: Dual Core Cortex A7 up to 1.5GHz Operating System: Linux 3.0.8 Video format Supported: MKV, WMV/VC-1 SP/MP/AP, MPG, MPEG, DAT, AVI, MOV, ISO, MP4, RM, H.265, Real Video 8/9/10, up to 1080P format Supported Audio: MP1/MP2/MP3/WMA/OGG/ADPCM-WAV/PCM-WAV /AAC Supported Photo format: GIF /JPEG/BMP/TIF/JPG /TIFFPort: HDMI: 1*HDMI DC Male: 1 * Micro-mini USB Port Includes: 1 x Display Dongle 1 x WIFI USB Cable