Enjoy your travel with this noise cancelling headphone! SE8 active noise cancelling premium headphones tailored specifically for the discerning business traveler.Get immersed in carefully balanced high-fidelity sound, SE8 over-ear headphones feature 40 mm drivers.In an often frantic and stressful traveler s world, the SE8 over-ear wireless Bluetooth headphones put the listener in control of their sensory environment - it s what we call ""upgrading to First Class"".