The sony mdr zx220bt headphones are stylish and striking with a modern minimal design and wireless music playback with built in bluetooth and nfc its easy to wirelessly connect your smartphone or external music device and start listening to your favourite tracks right away as well as take hands free calls plus they can easily manage eight hours of play time on a single charge so theres no need to worry about your music stopping abruptly on your commute to work these headphones are easy on the