For me though the buttons are a tad too small as I felt like my fingers were going to slip off and the bits where the legs come out would move whenever I picked up the mouse to re-centre on the pad.
I feel they should lock the legs in better in the mouse mode, a bit too much movement when I pick it up. I'll try plugging it into a computer to have a look at the cool light up Decepticons insignia, but don't think I'll be using it as my mouse.