You are looking LE headphones for your smartphone, look no further, this is for you ... PORTAPRO I have several (3) from very (very) long time ... that is, it has shown since its .... only little "problem" thick hair that may get stuck slightly in the frame ... the sound and the bass is top, for a type of helmet "open" ... it folds in a faux leather case provided .. Briefly I recommend ... Patrick.