micW i266, suitable for Apple iPhone/iPad/iPod, microphone data: Type: electret condenser, capsule diameter: 12mm, principle of operation: pressure gradient, polar pattern: cardiod, sensitivity (+/- 4 dB): -40 dB (0 dB=1Vpa, 1kHz), frequency response: 20 - 20.000 Hz, S/N ratio: more than 55 dB, impedance: less than 2,2k, power source: plug-in power capability, plug and play, length: 55mm, weight: 16g, connector: 3,5 mm 4-pole headset interface