Compatible with Kenwood TK series radios and NX series radios with multi-pin audio connector; Including NX-200 NX-200G NX-210 NX-210G NX-300 NX-300G NX-3200 NX-3300 NX-3400 NX-410 NX-411 NX-5200 NX-5300 NX-5400 TK-2140 TK-2180 TK-3180 TK-5210 TK-5210G TK-5220 TK-5320 TK-5310 TK-5310G TK-5410 TK-290 TK-390 TK-380 TK-385 TK-480 TK-481and more ^^ Operate equipment with one hand, communicate with the other. Oversized PTT button allows precise activation even with thick work gloves. Plug-and-play design connects to your Kenwood radio in 30 secondsno setup needed ^^ KMC-25 radio microphone with 3.5 mm jack for connecting an earphone to the unit. Shoulder mic with heavy duty construction and impact-resistant engineering Polycarbonate plastic housing ^^ With the NX 5200 Kenwood speaker mic, you can keep your hands free while still being able to transmit and receive messages effectively ^^ NX-200 speaker mic for Kenwood earpiece with a clear and loud audio output, making communication effortless even in noisy surroundings