https://teamknox.com/en/tech/gadgets/audio/30_vol20/index.html 　It’s a rather unique device. Essentially, it has a single function: adjusting the volume. Since it supports only one type of host connection, you can’t switch between multiple devices. Moreover, since I mainly control the volume via Babyface pro fs, it’s essentially unnecessary. However, I wanted a jog dial that spins around, so I settled on this popular model. The build quality isn’t bad—in fact, it’s quite good. It also has a solid, substantial feel to it, so I’d recommend it to anyone looking for a standard jog dial. Hugo en-us