Simply put, wired controllers use a coil type cord that protrudes from the hand controller to the track, with the cord being approximately 40cm long coiled (approx 1.5 metres extended). This system guarantees an uninterrupted connection. This is great if you plan to keep your track to within a diameter of 10m. However, if you plan to expand the track to a greater diameter, then it’s recommended to go wireless.
Going wireless gives you total freedom to move about the track and get right in close to the action. Using a 2.4ghz signal gives an operating range of up to 15m. Though the controllers need to be charged, they will give you up to 8 hours of play time.
However, no matter if you choose wired or wireless, you can only have a maximum of six controllers at one time.