Wireless controllers have only recently become standard for current-generation consoles, but they're not as newfangled as one might think. Cynex Manufacturing Corporation's Game Mate 2 brought wireless joysticks to the Atari 2600, way back in 1983:
Note the thick radio-transmitter/battery compartment joystick bases and the 8" receiving antenna, which put 1980's cell phones to shame. One might be tempted to think that with Atari 2600 games running at a steady 60 frames-per-second, lag would have been a major issue -- but I've played with a set of Atari's official wireless joysticks, which used very much the same technology, and they weren't horrible to use.
And despite the ad's energetic art direction, the joysticks were not actually capable of destroying young Skywalker. They operate silently and safely.
Of course, playing twenty feet away from a 25" TV tube with an Atari 2600 connected to it using a noisy RF antenna connection... that tended to be more of an issue at the time.