Finely balanced and discreetly styled – these in-ear headphones from Sony are easy to slip into a pocket or backpack. Their punchy audio output unlocks more detail in every track and with a handy built-in microphone, taking and making calls is simple. Comfortable, secure-fitting silicone earbudsLightweight for ultimate music mobility. A built-in mic and remote let you take calls, play and pause your music on the move. 9mm neodymium drivers for powerful, balanced sound. 8Hz–22kHz frequency range.