Your dexterity score increases by 2, and your intelligence by 1.

Chiroptoths reach maturity by 12 years, and live around 75 years.

Chiroptoths stand around 3 to 5 feet tall, your size is small.

Your base walking speed is 30 feet. Additionally you also have a climbing speed of 15 feet, and a flying speed of 15. However if you support your wings with your arms, you have a flying speed of 30 feet. You can also walk on ceilings with your hands available.

You can use your feet as if they were hands.

You can speak, read, and write Common and one extra language.

You can support your wing with an arm and use it in an unarmed strike, and with your wings being longer than your arms you can reach things further away. Your unarmed strikes have a range of 10 feet.

You can take off from ceilings with your hands available, however you cannot do the same if you take off from the ground.

You can use your bonus action to screech, to hear this screech the listener needs to succeed a perception check DC 10+WIS, the screech allows you to effectively see anything within your range of hearing, additionally you have advantage on perception checks using hearing.