Key features large 40mm drivers for crystal clear audio high resolution audio compatible wide cushioned headband earpads for comfortable listening equipped with an in line microphone with simple to use control high resolution headphones the se ms5t are designed to fit comfortably around the ear for all day listening large 40mm drivers for clear high quality audio with the utilization of powerful magnets the 40 mm driver produces ample lows and the light weight ccaw voice coil reprod