NBP Series - TACTICAL BONE CONDUCTION HEADSET. Bone Conduction Speakers, Boom Microphone and Round (Hockey Puck) PTT switch. Finger-Tip PTT and Junction Box UPGRADE Available for extra charge ($35 MSRP).
Fits HYT models: TC-268, TC-268S, TC-270, TC-368, TC-368S, TC-370
For Kenwood radios with 2-pin connector on the side.
For RELM radios with 2-pin connector on the side including: RPU416, RPU4200, RPU499, RPV4200, RPV516, RPV599X (This connector is the same as popular KENWOOD 2-pin model)