After two washes, they’re trash. As for the actual inner earpieces is a little uncomfortable but I used some foam tip attachments I purchased on amazon and made them very nice fitting. The batteries seem to last as long as you would desire & of course is subject to how your using them. Those really are the importance functions i wanted. 5* Item! If she drops the case anywhere near the frequency that she drops her phone, this will be a cheap investment. I read reviews before I purchased. I got these in my normal size and they fit perfectly! Oddly enough, it doesn’t affect the sound quality. I am assuming it is to correct the arch of the foot but this is not mentioned in the posting.