The Sony MDREX150AP EX Monitor in-ear headphone comes with secure-fitting silicone earbuds that fits into your ear easily, making them secure and comfortable for long time use. It is designed with 9mm dome type driver unit that delivers rich, crisp and crystal clear high-quality sound. It is designed with powerful neodymium magnets for greater sensitivity and powerful bass that result in high sound levels. It has inline remote & mic that lets you get connected with your loved one whenever you wish. It has electret condenser microphone with omnidirectional directivity and frequency ranging from 20 Hz to 20000 Hz. This in-ear headphone has a lightweight body that you can easily carry around and with its compact size, this headphone can conveniently fit in your backpack, allowing you to take it on long journeys or outdoor trips. These earphones also features closed dynamic design that attenuates ambient noise so that you can enjoy your favourite songs without any distortion. This Sony MDREX150AP fit comfortably in your ear and produces natural sound for a better listening experience.