3M Peltor ComTac III

 Slim cup design.

• SNR of 28

• Level dependent function for ambient listening
• Functions: external input mode, release time, balance, plug mode, equalizer mode and external mute mode.

• Last setting is stored when switched off (except plug mode)

• Fully independent dual earphone system for talk through and external radio signal

• Compatible with the majority of ballistic helmets on the market

• Automatically switches off after two hours if no function is used. 
Battery life is about 500 hours.