[cheesenhbn]Mini 3.5mm Wired Paste Type External Microphone Car Audio Mic Meeting PlayerDescription: Application: FOR laptop / Counter Intercom/ car GPS / Car DVD, etc. Microphone can be glued to the for wall / glass / car / door and so on. Frame can be used to clip the collar, lapel edge, the shirt, available with stage performances, For Podium presentations, lectures, and also applies to the meeting, for web chat! Specifications: Frequency response: 50Hz-20KHz Impedance: 2.2K Ohm Mic Head Size: 4.2X2.5X1.7cm (Length * Wide * high) Sensitivity (high sensitivity):-20dB ± 2dB (0dB = 1uPa) Direction: Omnidirectional Plug: 3.5mm Cable length: Approx.2M