Crystaline Wings. Because of your wings, you have a flying speed equal to your walking speed. You can't use this flying speed if you're wearing medium or heavy armor.

Light as Wind. Because you have the element of air you are lighter then most and your movement speed is incresed by 5 feet.

Bottled Storm. You know the Thunderclap cantrip. Once you reach 3rd level, you can cast the Thunderous Smite spell once with this trait as a 1st-level spell, and you regain the ability to cast it this way when you finish a long rest. Constitution is your spellcasting ability for these spells.

The Air's Resilience. You have resistance to Lightning damage.