The EP4011QR Cougar 2-Wire Surveillance Earpiece Microphone by Tactical Ear Gadgets is used by more law enforcement officers (LEOs) across the nation than any other surveillance earpiece. This Cougar is extremely durable, reliable and includes a 1 Year Earphone Connection Warranty. The kit is lightweight, easy to use and includes clothing clips to conceal the wires and to secure the mic to your uniform. The polyurethane-jacketed, Kevlar coated cabling provides extended field life. The Quick Release Adapter allows the user to disconnect the microphone from the radio without removing the radio adapter and reduces wear and tear on the radio housing and connector. The Cougar includes left and right medium ear inserts as well as a patented Torpedo eartip. Compatible Radio Models: Kenwood NEXEDGE NX200, NX300, NX210, NX410; TK190, 200, 280, 290, 380, 390, 480, 481, 2140, 2180, 3140, 3180, 5210, 5220, 5310, 5320, 5400