a Use scenarios: security, medical care, construction, rescue, outdoor; etc. Clear audio communication Big back clip 2000D Kevlar Cable Reviser Guofeng Xx Midland x ICON Vv Cable length stretch) Speaker Connector ICON 2 Pin Audio jack 3.5mm Waterproof P54 Speaker Size Speaker Sensitivity ICON 2 Pin plug is suitable for any walkies-talkie with the same Speaker Impedance 80+15% at 1000Hz Frequency range (FO) ~20KHZ plug.