When you're on the go, listen to your songs in clear, balanced sound with the MDR-ZX110 headphones with dynamic 30mm drivers. The padded ear cushions give you extra comfort on the go. The MDR-ZX110AP headphones enhance Android smartphone functionality. The lightweight 30mm dynamic neodymium driver units make the headphones deliver punchy, rhythmic response to even the most demanding tracks. When this is combined with a highly sensitive membrane, it means that you can turn up the volume in the headphones - without the need for an amplifier - and still enjoy clear and precise sound throughout the sound range. Take these headphones with you everywhere. The headphones' swivel ear cushion design makes them easy to store when not in use and makes them more convenient to carry when you're on the go. The ear pads can be folded flat so you can pack them into a suitcase or bag without worrying about them taking up too much valuable space. With both a remote control and a built-in microphone on the headphone cord, you can take hands-free calls from selected smartphones while listening to music. Easily switch between music and calls without having to take off the headphones. Listen in total comfort. These headphones have a self-adjusting headband and soft cushioned ear cushions that cover the entire ear. Enjoy the long-lasting comfort you need when you want to listen to one favorite album after another. The closed-back, collapsible design fits snugly around the ears, helping to keep the music in and the distractions out. The acoustics are reflected back towards your ears, so you hear even the most nuanced sounds. You'll feel all the rhythms as the closed-back design maximizes the bass signatures in your music. The wideband frequency range - spanning 12 Hz to 22 kHz - delivers deep bass, rich midrange levels and soaring treble. Hear the details of each track and get in the mood with all your music.