Shanyingquan Hunting Headset Shooting Noise Reduction Headset for OPS Core ARC and Wendy Helmet

["Helemt head mounted 2 in 1","Microphone can be used left and right","With Sound pickup&noise reduction, power by 2xAAA battery","Excellent sound insulation and noise reduction effect, Suppresses harmful noise above 80 dB.Noise reduction rating + NRR31db,SNR33db","Arc rail and team Wendy rail adaptor version, compatible with arc rail side and wendy helmet, can be attached to the rear of the ear when airsoft headphones are not required, providing ear rest. With 360 ° rotated design, will be easy to adjust possition of headset."]