Pryme Trooper SPM-2205 Heavy Duty Remote Speaker Microphone with a 3.5mm audio jack and quick release adapter PA-511.This unit works with Kenwood radios with multi pin connectors. 2 Year Warranty! Compatible Models TK190/TK290/TK390 TK2140/TK3140 TK2170/TK3170 TK2180/TK3180NX200/NX300TK5210/TK5310TK5410/TK5220 Comes standard with a 3.5mm earpiece jack for external earpiece Professional quality, water-resistant, remote speaker microphone Heavy-duty construction, featuring polyurethane cables and impact-resistant polycarbonate housing.