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

Batfolk learn to fly at 8 years old, and are both fully mature and considered adults capable of adventuring at 10. Their natural lives generally come to an end before 100 years, but some have lived for just over 200.

Batfolk have a weak tendency toward true neutrality. Their lack of record keeping and law writing, contrasted against thier tendency toward colony cohesion, result in societies that do not tend to foster extremes.

Batfolk vary somewhat in height, between two and a half to four feet tall on average. Some specimen can be as tall as six feet. Your size is Small or Medium.

Your base walking speed is 30 feet. 

Your flying speed is 30 feet, and you may hover. You cannot fly in medium or heavy armor, or with a medium or heavy load. Since your wings are also your hands, you cannot use weapons or cast spells with somatic components while flying.

You gain proficiency in Perception and Stealth

You can sense Blindsight up to 40ft as well as perceive your surroundings, via echolocation, you can't use your blindsight while deafened. Additionally you can use an action to emit a sonic wave allowing you to perceive objects and creatures that do not have full cover in an area 80ft radius originating from you. You can use this ability a number of times equal to your proficiency bonus. This sound is audible up to a 300ft radius from your location.

You have Advantage on Wisdom (Perception) checks relying on sound. You can also hear noises above and below normal human hearing frequencies, such as dog whistles and giraffe sounds. Additionally you have disadvantage on the saving throws relating to sound or vibration(Thunder damage)

You can speak, read, and write Common and Bat Folk, a language of screeching and clicks.