Pryme SPM-2311 2-Wire Earpiece for Kenwood Multi-Pin TK NEXEDGE (See List). Compatible with Kenwood NX-200, NX-300, TK-190, TK-2140, TK-2180, TK-280, TK-290, TK-3140, TK-3148, TK-3180, TK-380, TK-385, TK-390, TK-480, TK-481, TK-5210, TK-5220, TK-5310, TK-5320, TK-5400 and NX-5200/5300/5400. 2-WIRE SPM-2300 Series Surveillance Style, Lapel Mic Kit with Noise Reduction Mic on seperate 36" cable (allowing Mic & PTT to be conveniently and discreetly located). The SPM-2300 Series a 2-wire style surveillance kit with a clear acoustic tube earphone. The SPM-2300 features a lapel-style microphone with a stealth clothing clip that can either be secured to the user's clothes or dropped down a shirt sleeve. The earphone features PRYME's TWIST CONNECT locking mechanism, which makes it easy to replace or remove the earphone. Rugged lapel mic with surveillance style acoustic tube earphone. TWIST CONNECT acoustic tube assembly for hygiene and multiple users. Reinforced earphone clip provides cable retention and eliminates strain on earphone. Newly designed mic housing uses high quality transmit capability. Covert PTT clip attaches to lapel or sleeve.