Well, how else would it get powered? An HDMI port is not a power source. I think you missed out here. My kids got us one for Christmas. The nice thing about it powering right from the TV USB is that when the TV is off, the AFTS is off. I use if primarily to run KODI and Netflix. This thing runs faster than my Raspberry Pi 2 (wired) even though it's wireless and pulling from my network extender.
By the way....there was another thread on this topic, though was on page 2:
http://www.operationsports.com/forum...ternative.html

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