I cant really comment on the rest of their lines yet, like hair-care and body lotions. Initially seems slightly thicker than the originals, which is good. You will need a 3. There is a rope-type handle on the top making it easy to carry. iron man was good. I don’t know if there is an audio boost mode, but the BT-S3 would certainly benefit from one. It won’t even play music from my Amazon Prime account, that should work easily through Alexa. Easy to apply & not too hard to take off! I am used new balance cuz of ease of access but they vary and not cheap to :try out: a kswiis i can get use for my moneys worth but all feel a bit narrow. but they are constantly falling out of my ears.