Your Dexterity score increases by 2, and your Wisdom score increases by 1.

You have blindsight out to 60 feet, after which you are completely blind. Furthermore, if you are Deafened, you are unable to use this trait. 

You have advantage on Wisdom (Perception) checks that rely on hearing.

You have proficiency in the Stealth skill furthermore you get advantage on stealth checks at night/dim light

you have a flying speed of 30 feet. To use this speed, you can't be wearing medium or heavy armor.

Batlings are around three to four feet tall, with very lightweight bodies that average to ~30 pounds. Your size is Small.

Your base walking speed is 25 feet.

you have tremor sense up to 80ft. you have a climbing speed of 25ft. you can also hang upside down and sleep that way.