Perfect for portable listening, the EX155AP in-ear headphones offer dynamic audio, and phone functionality with Android devices thanks to an in-line remote and mic. A wide frequency range does justice to your favourite tracks, and they're a light and comfortable wear. Crisp Sony Audio As the 9mm neodymium drivers deliver powerful and balanced sound, the 5Hz-24kHz frequency range assures detailed audio from low bass to delicates trebles. In-Line Conversations A built-in mic and remote let you take calls, and play and pause your music on the move with Android phones. Read more… Comfortable & Secure Choose from four sizes of comfortable, secure-fitting silicone earbuds, while tangle-free cable doesn't get you all tied up.