"High Performance Communication"
Micro-high-end handset. It has swivel metal clip on lapel microphone. Cable smooth, soft rubberized ear support for comfort. CSP technology uses SOUND .
Ref. Nauze PIN-99 N1PTT NOKIA . Micro Earmuff Headset and PTT for walkies DOS 880 NOKIA TETRA
Incorporates curly cord for easy movement and avoid annoying jerks, also has a clamp for holding the PTT which greatly facilitates use of the headset.
For walkie TETRA - TETRAPOL NOKIA models: THR-880 and THR-880i. Used among others by units: Mossos of Police, Fire Catalonia, Guardia Urbana de Barcelona, ??etc ..