Single Wire Earpiece with Reinforced Cable for Motorola Vertex Radios VX261 VX231 VX210 VX264 VX351 VX354 VX424 VX451 VX454 VX459 EVX261 EVX531 EVX534 EVX539 Acoustic Tube Headset

Commountain Single Wire Surveillance Earpiece/Headset Kit Features: -Single Wire Surveillance kit with Quick-Disconnect Acoustic Tube -Surgical Grade UV Resistant Acoustic Tube, Comfortable & Durable -PU cable Reinforced by Kevlar Fiber, High Strength & Durability -High Quality Speaker & Microphone Enable Sound to Be Transmitted Clearly Even in Loud Environment -Compact Mic with Side PTT & Rotatable Steel Clothing Clip -Rugged Connector Dimension Specification: -Dimension of Mic/PTT Housing: 1.38x0.78x0.51 inch (HxWxT) -Cable Length Between Connector and Mic/PTT: approx. 39.5 inch (Long Version) -Cable Length Between Mic/PTT and Ear tip: approx 22 inch -Cable Diameter: 2.5mm Speaker Electric Specification: -Type: Electret Speaker -Impedance: 90?±15% at 1.0KHz 1.0V -Rated Input Power: 0.01W -Sensitivity: 115dB±3dB -Frequency Response: 0Hz-12KHz Average SPL-10dB -Distortion: 10% Max at 1.0KHz/1.2mW Microphone Electric Specification: -Type: Condenser Microphone -Output Impedance: 2.4K?±10% -Sensitivity: -43dB±2dB (1V/Pa) -Frequency Range: 50Hz-10KHz -Directivity: Omni-Direcctional -Working Voltage: 2V (10V Max.) Compatible for Motorola Vertex Radios As Follow: VX-180 VX-210 VX-231 VX-261 VX-264 VX-351 VX-354 VX-410 VX-424 VX-450 VX-451 VX-454 VX-459 EVX-261 EVX-531 EVX-534 EVX-539