Están cómodas y de buena calidad, para alguien que calza 3 mexicano quedan bien con la tira puesta pero sin la tira le quedan a quien calza 5 mexicano Great book with good advice glad I got it I bought an extra pair by mistake and was going to send them back but I may keep them. This wireless charging mouse is perfect for those who work late at night, or even those who prefer to have a silent click to there mouse, rather than a loud annoying click that can annoy others around you. After I put on my dry feet ! Even the mid bass thats is very very low in noticeable but if you notch up the volume from 65% then the bass sounds like a (purrrr purrr purrr) like a woofer get power of handling way beyond its abilities. Unless thag doesnt bother you then sure they are cool but not for me. BOO for STARBUCKS for selling OLD coffee as NEW. I like BV products for their design, durability and (importantly) their cost. They do not start to stink, unless you have nasty feet or problems to start with!