The optional wireless adapter AN-WF500 wireless connection is placed in one of the USB adapter Buchsen.Der is also necessary if you do not want to control with the remote system, but with a Magic Remote AN-MR500 type the TV !!! Have at home (Smart Phone) always connected via Wi-Fi I see for example a YouTube video does my phone the WF-500 and asks if I want to connect? I say yes ....... runs the YouTube video instantly on the TV !!! The first time been amazed what so everything goes !!!