Featuring an extremely durable construction and a folding headband for easy storage when not in use, the HD 4.20s is perfect for listening to music and taking calls on the go. The convenient 1-button smart remote on the cable allows to control portable device. You can take it with you. - Versatile and vibrant, the new HD 4 series offers you the complete Sennheiser quality package in a range of durable, closed-back over-ear headsets that fulfill your everyday aural needs. This robust but elegant over-ear headset is the right choice for all listeners going for immaculate sound, comprehensive features, and the looks to match. A genuine Sennheiser product, the closed-back over-ear HD 4.20s delivers on the promise of our brand name. It lets you enjoy your music - in fact, any kind of music - with its well-balanced sound and a powerful, dynamic bass. Sound isn't the only thing that makes wearing the HD 4.20s a pleasure. Its tangle-free, that is to say hussle-free, singlesided cable is fitted with a one-button smart remote plus inline microphone that makes taking calls a breeze. Soft premium leatherette ear pads and ensure good attenuation of ambient noise and great wearing comfort even during extra-long listening sessions. Featuring a robust and foldable headband for easy storage on the go, the HD 4.20s is a companion you will love to take with you. Not least because of its dynamic yet puristic and timeless design that was inspired by the Sennheiser sound.