It charges through a USB-C port placed on its bottom side, and attaches magnetically to the base plate.
Otherwise, your options are to click and double hit the wheel.
Because of the pucks size, its not exactly discrete, and protrudes quite noticeably from the wall.
However, once paired, the switch is a bit of a hassle to set up.
Furthermore, you get a very different experience in terms of the level of control between different platforms.
Lag proved to be an issue, too, though during my testing seemed to fix itself.