Does this sound familiar ... you sit in an airplane and want to listen to music or listen to the sound of the film board "and has thereby only a normal headphones. However, this does not fit into the two sockets on the board system. On the plane there are special headphones or just these adapters to buy, but they are usually way overpriced. The Soytich adapter you can use your own headphones / earphones and easily connect to the sockets of the aircraft seat. So you have the usual good sound quality. The airplane adapter for all standard Stereo headphones with 3.5mm jack suited. He also makes a robust impression and will get years of good service. For the low price this little travel companion is definitely a good buy.