Lyla 1 Piece Single Ear Hook Mono Microphone for Meeting Course 3.5mm Nut Plug Mic  (As per the description)

Description:4 kinds professional vocal pickup condenser microphone, including 3.5mm thread plug,3.5mm nut plug,3 pin XLR and 4 pin XLR microphone.Industry-standard sound quality along with surprising durability make this mini headset microphone fit for just about any vocal sound and speech applications.Single ear hook microphone, easy to carry, skin color design, not easy to find.Discreet operation and exceptional performance fit for any occasion.Specification:Sensitivity ：-40dB Output Impedance： MAX 2.2KΩ 1KHz(RL=2.2KΩ) Directivity ： Unidirectional Frequency Range：20-16,000Hz Operation Voltage： DC 1.5V-10V Standard Power Supply：DC2.0V-1.5 V Min Operation Voltage：1.0V Current Consumption： ≤0.5mA Signal to Noise Ratio：≥58dBPackage Includes:1 x Headset Microphone