Have the power of clear communications without sacrificing comfort with the Pilot USA PA-1171TH Passive Helicopter Headset. The noise cancelling electret microphone ensures that you can communicate with people clearly during the entire flight. To make things even easier, this headset includes a half metal/half flex boom so you can put the microphone in position and it will stay there for as long as needed. The passive helicopter headset also features a "true stereo" input jack that you can use to play your favorite music from your cell phone, CD player, iPod, or another device. Along with all of these features, the headset comes with an easy to carry padded headset bag, making it even more portable.