TVPower USB Cable for Powering Roku 3 Eliminates the need for an AC plug to power Roku 3 Declutters area by replacing the Roku power adapter that can hang down from behind the TV High quality cable - lifetime guarantee The TVPower USB cable is not compatible with Roku 1 or Roku 2. Roku 3 is not included with this power cable. TVPower USB cable may not work with some older 500mA TV USB ports. We offer a money back guarantee if you find the TVPower cable does not work with your TV's USB port.