1. Basic health monitoring and notification reminders: For those who only need to do basic health monitoring and notification reminders, a smartwatch with a small amount of memory may be sufficient.
2. Listening to music and running apps: For those who need to listen to music and run various apps, a smartwatch with a large memory may be more suitable. This will ensure that the watch has enough space to store and run these apps.
Overall, a smartwatch with 16GB of running memory may be a more appropriate choice. Of course, you need to consider factors such as your personal needs and budget.