1.Cast photo/video/music from Android smartphone/tablet PC to large screen TV/Projector. 2.Support multi-screen interactive features like DLNA/Miracast/Airpaly. 3.External WiFi antenna for stronger signal transmission. 4.Support HDMI 1.4， 1080P full HD output. 5.Mini， small-size， lightweight， convenient for travel.6.Easy to useSpecifications：1.CPU:Single core， ARM Cortex-A92.GPU:Offers 3D graphic with OpenGL ES2.0 and OpenVG 1.13.OS: Linux 3.0.84.DDR: DDR3，256MB5.WiFi: IEEE 802.11b/g/n6.HD video decoder:1080p @ 60fps7.Miracast: for Android 4.2 or above8.HDMI:HDMI1.49.Power supply:DC 5V10.Size:7.9*2.7*0.8cm11.Color:BlackPackage Included:1 * WiFi Display Dongle1 * Micro USB Cable 1 * User Manual