Mini 3.5mm Stereo Vocal Mic Microphone for Recorder PC Laptop MD VoIP MSN Skype Type: Electret condenser microphone,Left and right channel stereo recording Noise Level: 34dB SPL ,Frequency Response: 100-15,000Hz Plug: L-shap gold-plat mini plug, 3.5mm Maximum Input Sound Level: 110dB SPL (THD 1 percent at 1kHz) Recommend For:Recording on Digital Media: MiniDisc (MD), DAT, and NT and so on