3 IN 1 Gamecube Adapter - Compatible with nintendo switch,wii u,pc windows & mac. Works with gamecube controller or wavebird controller. Up to eight player for wii u/switch(Need two adapter). Change the 'switch/wii u' and PC mode at random. Four player support - Support Nintendo Switch, Wii U, PC USB and Mac OS with the GC controller or wireless GC controllers. The gamecube adapter-self come with 180cm / 70.86inch long cable allows you to play more freedom distance.