Chromecast Teardown 단계 #2 기록

	[* black] When we hear "dongle," we don't usually think of it needing external power. The Chromecast, though, requires external power via USB since it plugs into the HDMI port on your TV, which explains the charging cable and adapter.
+	[* black] The Chromecast's sole port is the USB charging port. As if TVs didn't have enough wires already, your new favorite dongle requires external power via USB.