ITEM NAME:Comica CVM-D02B 6M/19.7Ft Dual-Head Lavalier Lapel Microphone for Nikon Son Z3W5 Comica CVM-D02B 6M/19.7Ft Dual-Head Lavalier Lapel Microphone for Nikon Son Z3W5 Brand: Comica Dual-head omnidirectional condenser lavalier mic for two-way clear sound recording powerful and durable. Aluminum alloy mic-shield ensure excellent anti-interference function. Packed with windscreen and furry cover to efficiently minimize environmental noise. Wide application, suitable for most smartphone, Camera/Camcorder, DV, and for GoPro series action camera. Simple for professional sound recording in interview, on-line teaching, meeting, video speech & etc. Portable bag for convenient carrying. Model:CVM-D02B Polar Pattern: Omni-directional Maximum SPL: 100dB (@1kHz, 1% THD into 1kΩ) Frequency Range: 50Hz - 20kHz THD: Less than 5% Output Impedance: 600 ohm Dynamic Range: 114dB (per IEC651) Sensitivity: -35dB (+/-3dB) re 1V/Pa @1kHz Signal/Noise: 68dB SPL(@1kHz, rel 1Pa IEC651) colour:black Material:Aluminum alloy + silicone size:Length:6M/19.7Ft Package Contents: 1* microphone 2* hairy windshield 2* line 1* storage bag Note: Only the mic is included. For iPhone 7 series smartphone and for GoPro Hero 5 action camera, you may need to purchase cable adapter separately.