Two wire palm surveillance kit for police and security. 

The 2 wire surveillance mic has the acoustic tube ear piece on one wire and the mic with Push To Talk (PTT) button on a separate wire. The two wire arrangement enables the mic and PTT button to be more conveniently located. The acoustic tube ear piece has replaceable tips in several styles. 

The 2 wire surveillance mic enables clear easily understood audio even in noisy environments and keeps your communications private, by not allowing bystanders to listen in.

1) Two wire surveillance kit with bigger PU acoustic tube, outside  diameter is 3.4mm.
2) Quick disconnect earphone adapter for easy replacement of the tube.
3) Kevlar reinforced PU cable in 2.6mm diameter, strong cable with jacket made in Germany.
4) Tactical and popular PTT