Bose A20 Aviation Headset (Battery-powered w/Bluetooth, Electret mic, Straight cord, Twin plug) (Discontinued by Manufacturer) Redesigned pilot headset offers significantly better noise reduction in even louder environments Provides greater comfort and stability, with more room for your ears Auxiliary audio input for GPS and other devices Bluetooth mobile phone connectivity lets you receive calls wirelessly without removing headset Meets or exceeds all FAA and JAA TSO requirements