This is the Motorola Covert Acoustic TETRA Airwave Police Radio Covert Surveillance 2-wire Earpiece and Microphone kit, suitable for Motorola MTH series radios.

Lead length is 37" (95cm) so ideal for belt or chest worn radios.

PTT Switch / Microphone has crocodile 'clothing clip', and we supply this kit with spare ear bud.

This really is good quality kit at sensible prices (compare the picture of these with some of the other types, we have these made especially for us).