The Powerwheel's "Remind" icon allows you to set reminders, based on a time that you set, if your email is not opened by your recipient. To set a reminder for one of your emails, follow the steps below:
Click the "Compose" button.
Hover over the BombBomb icon.
Click the "Remind" icon.
Select the amount of time you would like to pass before being alerted that your email has not been opened.
***Note: Tracking will be automatically turned on for any email that has a reminder set.