David Clark H3312 Over the Head Ground Support Headset 12515G-12 with leads

A dual-ear wired communication headset designed for high-noise airline ramp environments and ground maintenance operations. 

It has a 26 dB certified noise reduction rating and uses a DC-1A amplified noise-cancelling microphone, enclosed in specialised noise-attenuating shield, which allows clear transmissions in extreme environments. 

Microphone features a Push-to-talk switch.

It features a 24-foot straight cord and a PJ-051 plug.