Neodymium dynamic drivers deliver precise sound Lightweight, just 30mm, the neodymium dynamic drivers give the headphones a punchy, rhythmic response, even on the most demanding tracks. Combined with a highly sensitive diaphragm, you'll be able to crank up the volume on the headphones without the need for an amplifier, and you can still enjoy clear, precise sound across the spectrum. Foldable, swivel design makes travel easier Take these headphones wherever you go. The headphones' swivel earcup design allows for easy storage when not in use and improves portability when traveling. The earcups fold flat, giving you the ability to pack them in a suitcase or bag without worrying about them taking up too much precious space. In-line remote and microphone for hands-free calls With an in-line remote and microphone built into the headphone cable, you can take hands-free calls on selected smartphones while listening to music. Easily switch between songs and calls without having to take off your headphones, only offered with the MDR-ZX110AP Padded ear cushions for ultimate comfort Listen in ultimate comfort. These headphones feature a self-adjusting headband and soft cushioned ear cups that cover the entire ear. Enjoy the long-lasting comfort you need to listen to your favorite albums ahead. Wide frequency range for clear highs and lows A wide frequency range of 12 Hz to 22 kHz delivers deep bass, rich mids and powerful highs. Hear the details of every track and stay in tune with all your music. A compact, foldable design seals out sound The foldable, sealed design fits snugly over your ears, helping to isolate your music from distracting ambient noise. Acoustics are reflected back to your ears, so you can hear even the subtlest sounds. You'll also feel the beat as this sealed design helps maximize the bass in your music. Smartphone compatible with in-line remote and microphone Built-in noise cancelling technology 80-hour battery life Lightweight for ultimate music mobility Color palette to match your style