Portable Mini Stereo Microphone Mic 3.5mm Jack Left and Right Channel Stereo Record Features: # A small, lightweight, direct connection you just plugs directly into the recorder. # Moreover, plug-in power system dedicated battery-free # To reduce the interference with the table surface, adopt the tilt-up mechanism # Left and right channel stereo recording # Can be used for stereo recording on laptops and PC if your sound card supports 2 channel recording. Note: some computers can be used, depending on whether the computer can support the interface, this product is 3 pole plug. Specifications: # Unidirectional x 2 # Frequency: 100-15,000 Hz # Noise Level: 34dB SPL # Front sensitivity (0dB = 1V/Pa): -38dB ± 3.5dB # Maximum Input Sound Level: 110dB SPL (THD 1 percent at 1kHz) # Plug: L-shap gold-plat mini plug, 3.5mm # Color: Black&Silver # Size: approx. 57 x 57 x 15mm # Net Weight: 9g Package includes: 1 x Microphone