The BOSE A20 Series light weight (12 ounces) Aviation Headsets are engineered to be more comfortable and provide clear audio  with more noise reduction than any other of company headsets featuring in addition customizable audio prioritization control, intuitive “plug-and-play” operation, a high-performance microphone, an optional  Bluetooth audio and communications interface and an optional coil cord. Features depend on different variants of the headset. Product includes:

A20® Aviation Headset

In-line clothing clip

Control module

2 AA batteries

Aux-in cable adapter

Carrying case