Enjoy audio in the sky with the Bose 3.5mm Stereo Female to Single/Dual 3.5mm Mono Male Airline Adapter. This adapter features an input for your 3.5mm stereo headphones and is split into two 3.5mm mono connectors, allowing you to connect it to compatible airplane audio jacks. One mono plug can be folded away when it is on the same level as single jacks.