Why does the Audi A7 have LED headlights?

I've noticed that the Audi A7 is equipped with LED headlights instead of traditional halogen bulbs. How does this technology work and what are its benefits?

LED headlights have a longer lifespan and use less energy than traditional bulbs, meaning they need to be replaced less often and can help save on fuel costs.

LED headlights use light-emitting diodes to create light, rather than a filament or gas like halogen bulbs. This allows for more precise and energy-efficient lighting.