Precision German engineering ensures excellent audio clarity, so you will hear every detail of your music. One button inline smart Remote makes it convenient to play and pause music and take calls without needing to fumble with your phone. Lightweight foldable design allows for easy storage making the headphone easy to carry anywhere. Secure over-ear fit provides excellent reduction of ambient noise, so you can relax and focus on the music. The Sleek Sennheiser Headphones that Fold for Travel Closed-back headphones are great, but packing your expensive pair for a trip can be worrisome. That’s where the HD400S headphones from Sennheiser comes in. This pair of closed-back 'phones offer classic Sennheiser performance with dynamic drivers and expressive, dynamic bass that helps you tune into music, audiobooks, podcasts, or games, while tuning outside noise out. HD400S headphones not only feature a comfortable closed-back design that’s good for focus, but they also store neatly courtesy of a folding design that reduces these headphones footprint when it’s time to put them away. Sennheiser fans here at GearNuts also appreciate the HD400S’ detachable cable which comes with a built-in smart remote for taking calls and controlling music playback. The bottom line? These headphones are the perfect way to experience the Sennheiser difference without draining the bank.Sennheiser HD400S Folding Closed-back Headphones with Smart Remote Features: Lightweight