becuse of your natral acrobatics and gliding ability you natraly have a high Dexterity. you also are pretty smart thus  giving you a high inteligence.

Bat Folk reach maturity by age 5. Bat Folk usually live to around 50 years compared to their actual bat counterparts

Most bat Folk are good and rarely choose sides when it comes to law and chaos. Tribal leaders and warriors might be lawful, while explorers and adventurers might tend toward chaotic.

Bat Folk are about 3-4 feet tall. They have thin, lightweight bodies that weigh between 50 and 80 pounds. Your size is Small.

Your base walking speed is 30 feet.

When you damage a creature with an attack or a spell and the creature's size is larger than yours, you can cause the attack or spell to deal extra damage to the creature. The extra damage equals your proficiency bonus. You can use this feature equal to your proficiency bonus. You can use it again until you finish a short or long rest.

You can glide by falling from high places which can reduce damage depending on the height you fall from

Your fangs are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.