Bose A30 Aviation Headset Cable with Control Module

The A30 cable features an electret microphone with a standard (non-Bluetooth?) control module. Two AA batteries provide up to 45 hours of battery life. Aircraft-powered variants are also available. It features industry-leading active noise reduction with clear audio and audio prioritization controls with multiple customizable settings. It is FAA TSO and EASA E/TSO-C139a certified.