1. Electrotherapy Journal Module:
When the phone successfully connects to the device, it can display and save the user's electrotherapy usage data.

2. Pain Evaluation Module:
It reminds users to fill out the pain scale evaluation pre and post electrotherapy for recording purposes.

3. Exercise Training Module:
It provides exercise training videos for different parts of the body, encouraging users to adopt a healthy lifestyle through exercise.

4. Report Module:
This module integrates the above records, allowing users to understand their daily, weekly, and monthly lifestyle status regarding electrotherapy usage and exercise training.