One controller or two, vertical or sideways, motion controls or buttons... Joy‑Con and Nintendo Switch give you total gameplay flexibility.
Nintendo sells the left and right Joy-Con individually, or has pairs of them available. A pair is also bundled with the Switch console itself.
Source: The Developer Website.
The Nintendo Switch console is bundled with either a pair of grey Joy-Con or a mixed neon blue (left) and neon red (right) pair.
Additional Joy-Con pairs are available in grey, neon blue and neon red, or as a mixed neon red (left) and neon blue (right) pair.
Individual left or right Joy-Con can be purchased in grey only.