These EX110 in-ear headphones by Sony are a more powerful choice for portable listening. Their wider audio range unlocks more detail in your music and with a handy built-in microphone, taking and making calls is simple. Ergonomic Fit These comfortable, secure-fitting silicone earbuds are lightweight enough to give tip-top music mobility. In-Line Conversations A built-in mic and remote let you take calls, play and pause your music on the move. Crisp Audio As the 9mm neodymium drivers deliver powerful and balanced sound, the 8Hz-22kHz frequency range taps you into every layer of your tracks.