Civil War Captain America Headphones with sleek and contemporary designed headphones that deliver detailed rich audio with 40mm drivers. Adjustable headband, padded ear cushions with Captain America graphics and styling. 3.5mm audio jack enables you to connect any audio device and enjoy crisp quality sound with style & comfort. In-line microphone allows calls to be received when listening on a smartphone, microphone compatible with most smartphones. The perfect gift for Captain America fans!