> There is also a constant light vibration when you run your fingers lightly along the body. It's quite Shocking that this is apparently "normal". None of this

> There is also a constant light vibration when you run your fingers lightly along the body. It's quite Shocking that this is apparently "normal". None of this happens when it's running on battery. I always assumed that was just because the surface has a strange microscopic pattern. I don't have one now, but I believe it only happens in one direction.