The device is powered either via the AC adapter or directly from the TV, supplied by its USB port.The Roku 3 is small at3.5 x 3.5 x 1 inches, is powered by just 3.5W, has both WiFi and ethernet connectivity, a USB port linking flash drives using media (movies and music), and a good old fashioned remote control. Kon was brilliant in playing mind games with his films; if you love a dark and adult-oriented film that will keep you guessing, this is a very good place to start.I'll never forget my surprise when a Japanese friend said she'd grown up watching Hotaru no Haka (Grave of the Fireflies),
...