3M Peltor MT15H69FB-09 Com-Tac II Headset Military approved Peltor Com-Tac II Headset, water resistant for outdoor usage Military green ear cups with 2 input jacks on backside of either ear cup Protects against hearing loss with a passive attenuation of20dB Includes microphone mounting post (A44) (microphone not included) 1.1-pounds; requires 2 AA batteries