A USB Type-C cable is no longer required to connect your Google Stadia Controller to your laptop or PC. Google has announced wireless controller functionality is currently rolling out to Google Stadia users and will allow for cable-free connectivity between the Stadia Controller and browser-based Stadia devices.

Between its November launch date and now, the Stadia Controller supported wireless mode only on Chromecast Ultra devices. This left the browser-based version of Stadia in use across desktop and laptop PCs, and other compatible devices, with the choice of native inputs—such as a mouse, keyboard, or controller—or a wired Stadia Controller.

Source Article