The item is Mini Stereo Microphone Mic 3.5mm Mini Jack PC Laptop Notebook. You can just plug directly into the recorder to reduce the with the table surface. Besides, it can be used for stereo recording on laptops and PC if your sound supports 2 channel recording. Features - Color: As the pictures shown. - Material: Steel, copper. - Size: 5.8 * 5.7 * 1.6cm(L * W * H). - A small, lightweight, direct connection, you just plug directly into the recorder. - To reduce the with the table surface, adopt the tilt-up mechanism. - Moreover, plug-in power system dedicated battery-free. - Can be used for stereo recording on laptops and PC if your sound supports 2 channel recording. - Left and right channel stereo recording, can be used for stereo recording on laptops and PC if your sound supports 2 channel recording. Specification - Unidirectional . - Noise Level: 34dB. - response: 100 ~ 15KHz. - Sensitivity: 38 ± 3db. - Maximum Input Sound Level: 110dB. - Plug: L-shape gold-plated mini plug, 3.5m. Package list: 1 * New Mini Stereo Microphone Mic 3.5mm Mini Jack PC Laptop Notebook