Connect the -USB cable into your devices, connect TV through the port, switch the TV to channel;Connect the USB cable to a power adapter (at least 5V 1A) to supply power for the connector (it will stop working automatically if no power is connecting) When restarting your devices with the cable plugged, contents will be shown on TV, it's convenient to watch video or play game etc How to use:Connect the -USB cable into your cell phone or tablet .Connect TV through the port,switch the TV to channel .Connect the USB cable to a power adapter(at least 5V 1A) to supply power for the connector,you had better use the original adapter .Restart your device after the whole connection finished color: red material: plastic The mobile phone must support function to use Package Contents: 1 * -USB to Adapter Converter Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.