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).
Motorola unique 1-pin that screws into jack. Used mostly with Motorola BDN6676 and HLN9717 adapters or Pryme PA-BDN6676 and PA-HLN9717 adapters.
