![Vertex VX-230 1-Wire Surveillance Kit Earpiece [Agent]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/200x200/products/892/1262/agent__78599_zoom__62372.1348021918.jpg?c=2 "Vertex VX-230 1-Wire Surveillance Kit Earpiece [Agent]")
![Vertex VX-230 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/1280x1280/products/891/1261/3_wire_surveillance_kit_earpiece__80688_zoom__04596.1348021918.gif?c=2&imbypass=on "Vertex VX-230 3-Wire Surveillance Kit Earpiece [Stealth]")
![Vertex VX-230 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/500x500/products/891/1261/3_wire_surveillance_kit_earpiece__80688_zoom__04596.1348021918.gif?c=2 "Vertex VX-230 3-Wire Surveillance Kit Earpiece [Stealth]")
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![Vertex VX-350 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/200x200/products/907/1280/3_wire_surveillance_kit_earpiece__80688_zoom__74390.1348021919.gif?c=2 "Vertex VX-350 3-Wire Surveillance Kit Earpiece [Stealth]")
![Vertex VX-410 VX-420 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/200x200/products/923/1299/3_wire_surveillance_kit_earpiece__80688_zoom__14582.1348021921.gif?c=2 "Vertex VX-410 VX-420 3-Wire Surveillance Kit Earpiece [Stealth]")
![Vertex VX-P820 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/200x200/products/996/1387/3_wire_surveillance_kit_earpiece__80688_zoom__27439.1348021934.gif?c=2 "Vertex VX-P820 3-Wire Surveillance Kit Earpiece [Stealth]")
![Vertex VX-P920 3-Wire Surveillance Kit Earpiece [Stealth]](https://cdn11.bigcommerce.com/s-3f922/images/stencil/200x200/products/1009/1403/3_wire_surveillance_kit_earpiece__80688_zoom__28198.1348021936.gif?c=2 "Vertex VX-P920 3-Wire Surveillance Kit Earpiece [Stealth]")
3-wire surveillance kit earpiece with ring-finger PTT. Now use a three wire even while wearing short sleeves. The micro, ultra-sensitive electret condenser mic with lapel pin can be hidden inside the collar.