You're serious about your music. You lament the demise of vinyl. But you have to admit it's easier to commute with an MP3 player than a record player. The AF45 Series is for the music crazed guy or girl about town. You don't have to sacrifice the nuances, depth and richness of your favorite tracks for mobility. AF 45 Series product features: Custom voiced 11mm dynamic driver for superb detail across the dynamic range. With noise isolating in-ear design, for up to 23db noise attenuation. You'll get 4 sets of silicon ear tips that mold to your ears for better isolation therefore better sound. The Cordura braided cable's conductivity have been made as a twisted set, which enhances the cables resistance to electromagnetic interference. Creating a quieter cable. The AF 45 Series comes with a Micro-fibre pouch for roadworthy protection for your buds. Audiofly headphones are designed by musicians for the music purist. Never miss a beat.