5 was a little too big, making my feet slide. You can move the mic up if youre not using it, mute yourself, and raise or lower the volume. I ended up returning mine and got the Mophie case instead. I really don?t get low reviews from people who can?t read the description or comprehend pictures. I had to grip with my toes to keep them on when walking. I attribute it to these not being very breathable. If you need orthotics or any kind of real foot support but miss wearing flip flops all the time, these are a life saver. Q: Is it hard to dismount it?A: As hard as to unscrew the bolt. Great product and an absolute great price off of Amazon ! This belt is so stiff it will not lay against your body.