Low Noise Wired Lavalier Mic Mini Hands Free Condenser 3.5mm Lapel Clip-on Microphone for Recording Speeches etc

Specification: Sensitivity: -30dBC±2dB (0dB = 1V/Pa at 1KHz) Frequency Response: 40Hz ~ 16KHz Output Impedance: 250? ±30%(at 1KHz) Clip Material: Metal Mic Shell Material: Brass Cable Length: Approx. 1.5m / 59.06inch Package Weight: 22g   Package List: 1 x Clip-on Microphone 1 x Foam Cover   Note: 1. When using the microphone, please firstly switch the volume to minimum, then adjust the volume to a suitable location from low to high in order to protect the headphones and loudspeaker from shock. 2. Please put the microphone in dry environment.