Microphones Rovtop

1Pin Walkie Talkie Headset with PTT Mic Earphone Walkie Talkie Headset Multifunctional Accessories for Motorola ICOM YAESU Radio Specification: Colour: Black Wire length: about 1.2m/3.9ft Plug: 3.5mm 1pin TRRS for Motorola for ICOM for YAESU Radio Gold-plated plug Microphone: Environmental noise: 36 dB (maximum) Reference operating voltage: 3V DC Consumption current: 0.5mA (maximum) Working Voltage Range: 1~10V DC Impedance: 2.2 ohms (maximum) Sensitivity: 60 dB + 2 dB Horn: Horn Impedance: 150 +15% Ohm Horn sensitivity: 130dB Horn frequency range: 20-20KHz Horn Effective Test Range Frequency: 30-5000Hz Horn distortion rate: less than 5%