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Still needs external power. Power come from USP connector which most newer TVs have, If your set does not, then it has a wall adaptor to USB.
Sorry, there was a problem. Please try again later.Roku sticks use MHL technology which does not require additional power when connected to an MHL HDMI port. This TV does not have one of those MHL HDMI ports so you would need to use the additional power cable.
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