1、[Entertainment and Office] The direct line distance between the mobile phone screen and the receiver is 20m. Just connect the receiver to your TV, projector or LED screen. Connect the phone to the receiver hotspot to cast the screen. 2、[Dual Screen Output] HD multimedia interface and VGA interfaces can connect 2 monitors to output 2 images at the same time; the transmitted signal is very clear, and can easily transmit HD video and sound. 3、[Plug and Play] The true plug and play experience of HD multimedia interface display adapter dongle is up and running in about 10 seconds. You can start mirroring wirelessly from your phone or tablet. 4、[4K HD] The wireless HD multimedia interface receiver wirelessly transmits true HD video and digital sound to your device, and the receiver box can be set to output at 4K resolution. 5、[Highly Compatible] The HD multimedia interface interface is highly compatible. The supported system is for Android, for IOS, and the applicable protocol is for Miracast, for DLNA, for Airplay. Item Type: Wireless HD Multimedia Interface Receiver Material: ABS Ports: HD Multimedia Interface, Type C USB, VGA, 3.5mm Sound Port Resolution output: Up to 4K 30Hz Wireless Network: IEEE 802.11ac 2.4GHz 5GHz Receiver Resolution: 3840 x 2160P at 30fps, 1920 x 1080P at 60fps, 1280 x 720P at 60fps, etc. Support System: for Android, for IOS Supported Protocols: for Miracast, for DLNA, for Airplay 1 x Wireless HD Multimedia Interface Receiver 1 x HD Multimedia Interface Cable 1 x Charging Cable 1 x Manual