You can use it to adjust volume, smoothly scroll documents and web pages, or quickly search through videos.

With its snap-together modules, Palette offers photographers and others a new answer to the age-old question of the best way to control a computer. Adobe is an early partner.

With keyboard keys, there’s a slight hesitation to think about where you’re aiming your finger: “Volume Up” or “Volume Down." Not to mention the third key if you want to mute. A knob is a single ...

It’s easy, just turn the knob to cycle through your programs until Discord comes up on the little screen, and then push down to change it into a volume knob. If you need to change another volume ...