A plug set that consists of an adapter, which is provided with a mouth socket, a cantilevered tongue, a plurality of horizontally disposed terminals, a swivel connector, and a movable connected device. The plug set uses the mouth socket provided on the adapter to enable assembling the swivel connector to the adapter through a swiveling motion, thereby achieving electrical contact and an antimagnetic effect, and the antimagnetic components are used to carry out wedge positioning. Moreover, both the adapter and the swivel connector can be used independently after separation.