Charger converter adapter: warm tip: dear buyer, due to lighting effect, monitors brightness, manual measurements and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! thank you!the interior copper wire provides the signal at maximum. ensure the audio quality.Headphones adapter: made of high-quality plastic material, the earphone adapter is anti-abrasion and .Earphone converter type headphone: the interior copper wire provides the at maximum. ensure the audio quality. made of high- quality plastic material, the earphone adapter is anti- abrasion and resistant.USB c headphones: no , you just plug in and enjoy pure high fidelity sound quality. just plug this in your phone and enjoy your music or movie with car/ home stereo and original headphones in any scene such as trip, gym, office and other daily life- sytle.