Using this Microsoft Wireless Display Adapter is easy. First, connect it to your display's HDMI port and power it via USB. Then, pair it with your device (you can pair with different devices one at a time). Once paired, you'll start receiving audio and video on your display. When using, keep it within the 22.9 - foot RF range. The adapter works best in temperatures between 5 and 35 degrees C, so avoid using it in extreme heat or cold. For maintenance, keep it clean and dry. If there are any issues, try unpairing and re - pairing the device or check the power connection.