The NFlight Nomad is an aviation microphone that can be attached to any headset using the included 3M Dual Lock.The NFlight Nomad has a 2.5mm audio output that can be plugged into the headset's auxiliary audio input.The NFlight Nomad plugs into standard PJ or twin-plug jacks on any fixed-wing aircraft. It is also available in Airbus and helicopter version.Compatible with: Bose QC25, Bose QC35, Bose QC45, or any other headset with a 2.5mm auxiliary audio input. Please note: The Bluetooth capability of the Bose QC35 and QC45 is disabled when the mic is plugged in.Can also be easily converted to be compatible with headsets with 3.5mm auxiliary audio inputs with the use of our 2.5mm-to-3.5mm adapterPopular headsets with a 2.5mm-to-3.5mm adapter: Sony 1000 XM2 & XM3TECHNICAL SPECIFICATIONSGeneral: Connections: Standard twin-plug PJ-style 3/16-inch and 1/4-inch aviation connectors (or helicopter, according to your selection)Audio output: 2.5mm, 3-pole male connectorCable length: 2 meters or 78 inchesAudio output cable length: 10 centimeters or 4 inchesFlexible boom microphone length: 20 centimeters or 8 inchesOutput volume: adjustable