Feature: 1. Made of high‑quality aluminum alloy CNC, good shielding performance, free from surrounding interference. 2. Professional anti‑noise microphone head, powerful noise reduction, clearer sound quality, louder pickup volume, longer pickup distance. 3. One‑key switching between mphone and camera, simple, fast and convenient operation, phone pickup distance of 0‑1.5m, camera pickup distance of 1‑4m. 4. Cardioid pointing, with strong directivity, the pickup area is concentrated in front of the microphone. 5. External one‑way/two‑way recording switch, switch to one‑way recording, very suitable for lectures and interviews. 6. With shock‑absorbing bracket and windproof cover, limited and less wind noise, making the interview clearer. Specification: Item Type: Dual Head MicrophoneMaterial: AlloyColor: BlackMic Size: Approx. 14mm/0.55inInterface: 3.5mmWeight: Approx. 105.0g/3.7ozPointing: Cardioid Pointing Sensitivity: -29±2db RL=0.68KQ Vs=1.5V( IKHZ Odb=1V/Pa) Output Impedance: Maximum 0.68KΩ 1KHz (RL=0. 68KQ) Frequency Response: 20-16000Hz Current Consumption: Maximum 0.5mA Product Working Voltage Range: 1.8-33V Maximum Sound Pressure Level: 115dB S.P.L Signal to Noise Ratio: >75dB Sensitivity Reduction: 1.5V-1.0V Sensitivity Change <3dB How to use: 1. Fix the dual-head microphone up of the camera or cage through the cold shoe holder 2. 3.5mm audio interface to connect recording equipment 3. Control the microphone mode according to usage. Package List: 1 x Microphone2 x Windproof Cover1 x Shock Absoption Bracket (installed)1 x Manual