The HD 400S Around-Ear Headphones from Sennheiser features a one-button smart remote conveniently located on the cable that allows you to control music and take telephone calls on smartphones, tablets, MP3 players, and audio recorders. The sturdy folding design makes these headphones durable and compact enough to be taken anywhere. The dynamic drivers deliver a well-extended sound response with dynamic bass. The included detachable cable with a one-button remote terminates with a right angled 3.5mm mini-jack.