The Sony MDR-EX155AP is a pair of comfortable, lightweight in-ear earphones. The 9mm neodymium drivers deliver dynamic sound. These headphones feature comfortable, snug-fitting silicone eartips, allowing you to enjoy your music even more without being disturbed by surrounding noise. Get the perfect styling and choose the color that suits you best. Key features of the Sony MDR-EX155AP: - Wearing style: In-ear - Weight: 3 grams - Impedance: 16 ohms - Sensitivity: 103 dB - Frequency: 5 Hz - 24 kHz - Cable length: 1.2 meters Compact, with high-quality sound Sensitive 9 mm driver units in a compact design produce clear highs and powerful lows. Inline remote and microphone Make hands-free calls and play tracks without touching your smartphone, thanks to the inline remote and microphone. Tangle-free cable The cable is grooved to prevent it from getting caught on things and to keep your headphones tangle-free Eartips in four sizes With eartips in four sizes (SS, S, M and L) for optimal wearing comfort on the go.