IK Multimedia iRig Mic Cast 2, Compact Microphone for Mobile Devices, 2x 0.38"" Electret condenser microphone capsules for front- or rear-directional recordings, as well as dual directional recordings, Suppression of off-axis noises for cleaner recordings, Snap-on magnetic mounting that can also be used on mobile devices with a case, Frequency response: 50 - 18,000 Hz, Sensitivity: 5.6 mV / Pa, Connection: 3.5 mm TRRS jack, CTIA/AHJ-compatible, Headphone jack: 3.5 mm TRS jack, Dimensions: 50 x 27 x 24 mm, Weight: 25 g, System requirements: a mobile device with CTIA/AHJ compatible headset port, Includes an iRig Recorder LE for iPhone/iPad or an iRig Recorder 3 for Android, 3.5 mm TRRS cable (20 cm), a windshield, and 2 magnetic plates