MI0211W Features Built-in IC to automaticly identify iOS and Android phones  Suitable for all mobile devices with 3.5mm interface  High performance in-ear handsfree earphone  Built-in microphone， perfect for answer and dial calls Pressure-free ear tips， comfortable to wear     Support volume control  General Specs Type In-ear earphones Connector 3.5 mm audio jack Speaker Drive Φ14.2mm Sensitivity 102dB±3dB Impedance  16Ω Frequency Response 20Hz-20KHz Cable Length 1.2m Plug Type Φ3.5mm Stereo Package Details Weight: 43.87 g Size: 20*7.5*2 cm

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