The audio modules are set to follow a workbook, with a step-by-step process, holding your hand along the way, ensuring that you complete the daily tasks. The daily training takes about 30 minutes, per day. The brain training audio files are between 5 and 15 minutes. You can listen to them more than one time per day, if you would like to. The more you listen, the quicker you will learn to control your brain, and the easier the changes in your life will be. It takes at least 66 days for our brain to make or break a good or bad behavior. This is why the full program is best to help you get the most time to help you create change.