Pioneer se ms5t k over ear headphone with in line microphone the se ms5t cable is equipped with an in line microphone for smartphone operation for handsfree talking during telephone calls with its large 40 mm drivers the se ms5t is also hi res capable and has wide cushioned earpads which surround the whole ear for extremely comfortable listening supreme comfort attention to details was paid when designing the headband and earpads with the design of a wide headband the weight gets distributed