Microsoft Surface Dial
Microsoft Surface Dial is basically just a knob with shake motor for feedback. It can control sound level, any slider setting, or as pie menu selector. Need custom app software.
Here is a video that explains it well
- https://youtu.be/QpUztkV1jI0
- Microsoft Surface Dial: Unboxing and Review
- https://youtu.be/JzqLCIwIJYQ
- The design and capabilities of the new Surface Dial
Microsoft Surface Dial Buy at amazon
As far as tech and design goes, i don't think Apple's leading anymore.