The footbed is also now a little more flat and less anatomical, for lack of a better word, and this makes it easier for the foot to slip forward. I ! Unfortunately, the mouse has done away with extended universe (EU) Hooray. They are comfortable and look just like the more expensive brand. Thus the V shape. Will update when more info is found. This is also neat because when i tap the mute button on the base It lets me know "Mute on". It was not so bad with orthotics on top of the already existing base. I love the sounds, the color is so beautiful, however, it doesnt do well for online conferences.