The METRO.Fi 100 offers superior sound quality with extended bass and noise isolation. The form factor is small and lightweight providing excellent comfort and fit. It has a low friction fabric cord that eliminates cable tangles. Through its comfortable inear design the METRO.Fi 100 provides noise isolation that reduces ambient interference and enhances quality of sound. Three sizes of comfortable soft silicone ear tips provide for an ultimate listening experience. Accessories include three ear tip sizes: small medium and large as well as a pocket ready hard carrying case.Primary InformationAudio System Type : Earphone Features : Black; Cable length: 46 inches MicrophoneSensitivity : 103 dB SPL/mW 1 kHz HeadphonesHeadphones Type : Binaural Audio Output / Connectivity Technology : Wired Headphones / Form Factor : in Ear Ear bud Response Bandwidth (Headphone)(Hz) : 20 - 15000 Sound Output Mode : Stereo Special FeatureCOO : China UNSPSC CodeUNSPSC Code : 52161514