"Detachable controllers" refers to game controllers that can be easily disconnected or separated from a gaming device, such as a gaming console or a gaming pad.
Sentences with «detachable controllers»
The Switch is essentially a gaming tablet with a touch screen and two detachable controllers on either side. (video-games-galore.com)
A pair of detachable controllers can then connect to either side of the screen. (eurogamer.net)
The Switch has two detachable controllers which must be charged for use, in addition to charging the console itself. (gamecmd.com)