- Very nice materials, and it's rather heavy. The battery has a long lifespan (the laptop is compatible with BT LE), and after two weeks, it is still at the same 100% level as before. It is obvious that they put a lot of effort into developing this over a long period of time; congratulations on a job well done!:) The sensations of touch are exceptionally pleasurable, and the wheel itself is stunning. There is a tiny sense of heaviness, and the surface is silky smooth.
- Lags ((Sometimes lasting for a second. You continue printing as normal; there is no need to stop. Hold on a second, and I'll give you a moment to press the button; the cursor on the screen is not responding. Then it begins to catch up. Sometimes, after a delay of some kind, it will generate multiple pressings of the same key, and it will appear like this.