3.5MM Stereo Electret Condenser Microphone for ECM-DS70P Clear Voice Mini Mic Features: FOR ECM-DS70P Microphone Mini Mic for PC MD Skype! FOR ECM-DS70P microphone is the perfect companion to any digital recording device. With plug-in power there is no need for batteries or additional power cords. The microphone plugs directly into your recorder, minimizing possibly confusing cord requirements. Small size and lightweight Silver color matches MiniDisk components Gold plug for maximum conductivity and minimum noise Directivity Uni-directional stereo Reliable electret condenser technology High quality microphone for recording on digital media Plug-in power operation needs no battery and ensures dependability under virtually all conditions Direct connection to recorder, provides faster, easier recording session set-ups Specifications: Type: Electret condenser microphone Left and right channel stereo recording Weight: 11.5g 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 Package Includes: 1 x Mini Mic Note: Level 4 use: on the phone, plug into the recording software, you can record (only support the American standard 3.5mm jack phone, the national standard 3.5mm jack can not, do not support the call, K songs, etc.!) It does not support phone calls, K songs, etc.! Level 3 use: need to have a separate microphone jack machine, such as: recording pen, there are 2 jacks computer can video chat, etc. (single-hole mobile phones, 2 in 1 single-hole computer and other devices do not support)