Top features:- Superior sound isolation blocks out unwanted external sounds - 1-button remote allows for hands-free phone calls on the go - Ergonomic, durable design for comfortable listening Superior sound isolationThe JVC HA-FX103M-RE Headphones offer effective isolation from external surrounding noises, allowing you to focus on your music wherever you go. With Extreme Deep Bass ports, you can enjoy pounding bass to enhance your favourite songs.1-button remoteWith a 1-button remote, the HA-FX103M-RE make it easy to answer phone calls while on the move. Using the built-in microphone to speak, you can easily switch from your music to phone calls with one press of a button.Ergonomic, durable design The ergonomic, contoured form of the HA-FX103M-RE provide a comfortable and secure fit, while the anti-impact rubber protectors help to keep the headphones safe.