Vktech 2pcs 3.5 mm to 2 x 3.5 mm Airplane Airline Headphone Audio Jack Plug Adapter Fits all standard airline connectors and headphone stereo jacks Easy to use, just connect this adapter with your headphone and the audio jack in your aircraft seat Color: Black and silver Size: Approx. 2.5 x 2 x 1cm (L*W*H) Plug Length: Approx. 1.4cm