These Sennheiser 400s Headphones feature a button built-in to the cable so you can easily control your music or even take handsfree calls when you're on the go. The headphones have an over-ear design which will help to prevent background noise from interrupting your listening experience. These headphones connect to your devices via a standard 3.5 mm headphone jack. They are designed to deliver HD audio with accurate sound reproduction so you'll be able to enjoy your favourite music in detail. The overhead design incorporates padded earcups for your comfort. You can use the in-line mic to take handsfree calls from your smartphone. These headphones come in a simple black design.