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The Microsoft Display Adapter requires power from a USB connection which can be from the monitor if available or from an external power supply such as an iPhone power adapter. Once the adapter has power it will work with an HDMI input.
Sorry, there was a problem. Please try again later.Microsoft 4K Wireless Display Adapter requires a display to host one USB charging port, and one HDMI port. A USB port hosting any standard USB Type-A charger with 5W (5V/1A) can be used if your desired device does not have a USB charging port.
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