Alpine SHS-N207 Dual channel IR headphone.

Fold-Flat technology allowing easy storage of the headphones when they are not in use. For example, they can easily fit into the side door.
Fully transparent infra-red headphones for much wider reception, meaning you don't lose signal, when you move your head.

Independent source selection.
Fold-flat design for easy storage.
Auto shut-off to preserve battery life.
Volume dial, power switch and LED indicator are built into the ear cup.