Hello, here I am providing you the details of the Keep the Change program by Bank of America as under:

About the program:
Keep the Change savings program and when you make everyday purchases with your Bank of America debit card
Round up your purchase to the nearest dollar amount. Transfer the difference from your checking account to your savings account.

Example:
Your Purchase Item Price Rounded Up To Transferred to Savings
Coffee-cup $3.50 $4.00 $0.50
Sandwich $5.25 $6.00 $0.75
Bag of food $35.49 $36.00 $0.51

Total transferred to savings account = $1.76

Requirements:
You will need each of the following 3 Bank of America products to qualify:
Checking account
Debit card
Savings account