Axess EPM102-BL Boombug High quality earphone with inline microphone, round cable, compatible with iPOD, iPHONE, iPAD and all audio and media devices with a 3.5mm jack &ndash; Blue Earphone with inline microphone, round cable Compatible with iPOD, iPHONE, iPAD and all audio and media devices with a 3.5mm jack Speaker: 10MM 6u, Mic-585Db Frequency range20Hz-20KHz, Impedance285 Sensitivity105dB5dB, Max power input10mW