The ProFlight Series 2 aviation in-ear headset from Bose is designed specifically for jet pilots.
6 g on head) - ProFlight Series 2 Aviation Headset Carry case Carry case hook 2 AA batteries Control module holder 3 sizes of StayHear+ tips (S, M, L) - ProFlight Series 2 Aviation Headset Carry case Carry case hook 2 AA batteries Control module holder 3 sizes of StayHear+ tips (S, M, L).6 g on head) - ProFlight Aviation Headset (sliders not extended):, 21.Bose ProFlight Series 2 Aviation Headset With acclaimed noise reduction, clear audio and intuitive operation for a comfortable flight.