5hrs from a dead controller til fully charged. For all of the haters out there that frown on Crocs -- dont knock em til youve tried them! The headband cushion appears to have the same zip-lock-esque attachment as the cushion on the HD 280s. The little screws on one of my boards were missing. The good news is that they didn’t slip off during my water aerobics class. I needed to clear my spare tire for trailer use but I did not want the super long extensions available at local stores. I believe it hits a bit lower bass note then what is stated on the papers. While most furnishings I can install by myself this one needed two people, but maybe it’s just me. After a few days, these have stretched out a bit and fit well. If you want some beautifully made indoors shoes, that can be used in a limited way outside then these are for you.