Ultimate Ears MetroFi 150 Noise Isolating Earphones

The Metro.fi 150 has excellent acoustic speaker technology, making it the best single value in-ear speaker product on the market at this price point. The Metro.fi 150's comfortable in-ear design provides noise isolation that reduces ambient interference and enhances quality of sound. The body has a small and lightweight yet durable form factor for the active lifestyle. Accessories include three single flange silicone ear tip sizes: small, medium and large, and one set of dual flange silicone ear tips along with a pocket ready hard carrying case. Product specifications are single, high performance, dynamic speaker, 106 dB SPL/mW at 1kHz input sensitivity, 16 Ohms nominal impedance, 46 inch cable length, 1/8 inch (3.5mm) gold plated stereo plug, 20 Hz-20,000 Hz frequency response, and 16 dB of noise isolation