I read the reviews and almost did not order as a result of the comments about the jewels falling off and the strap being too wide. Sending it back. I browsed many options and found this one to be the most economical and well reviewed. There is a steady option for a single colour, Colour Shift in which you can have your mouse cycle through an infinite range of colours within your desired hue, Multi-Colour Breathe where it breathes through multiple colours, Trigger where it breathes upon clicks and an option where it turns the mouses light off completely. (I was warned, was careless and dang it hurt! They were drive me absolutely nuts! I think 1/2 size bigger is all you should need, and these would be amazing shoes! All wrinkled and old! Tal vez fue mi error pero deberían de poner equivalencias, para ambas opciones, Mexicano y EU It does have quite a kick, however, and I injured myself when I kicked it open in my garage standing by the back tire, with my left foot in front of the stand and my right foot behind it.