Pyle Pro - 3D Binaural Microphone with Windscreens and Body Clips - Polar Pattern + Cardioid Pickup - 18th&rdquo; 3.5mm Sennheiser Screw Lock Plug - Fits Tascam, Shure and Zoom Portable Recorders Element: Back Electret Condenser - Output Impedance: 2.2KO ( +/- 30%) - Dimension: 6 mm Polar Pattern: Cardioid - Maximum SPL: 130dB - Connector: Sennheiser Screw Lock 1/8" (3.5mm) Plug Frequency Response: 50Hz-16kHz - Power Supply: External DC 1.5V-9V Power Supply For Sennheiser Wireless Microphone system - Color: Black Element: Back Electret Condenser - Output Impedance: 2.2KO (30%) - Dimension: 6 mm^Polar Pattern: Cardioid - Maximum SPL: 130dB - Connector: Sennheiser Screw Lock 1/8" (3.5mm) Plug^Frequency Response: 50Hz-16kHz - Power Supply: External DC 1.5V-9V Power Supply For Sennheiser Wireless Microphone system - Color: Black^S/N Ratio: &gt;70dB - Cable: 3ft - Accessories: Windscreen, Clip^Sensitivity: -45dB (3dB) - Weight: 50g