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You don't need a USB port. It plugs into the HDMI port.



The wireless receiver is powered by USB though right?


i dont see why you cant use any standard USB charger instead.


You have to plug it in the USB port too to supply it with power


AND usb, for power.


Unless you have a TV with HDMI 1.4 + MHL which is capable of supplying enough power over HDMI (500mA).




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