First, make sure that your EIGIIS men’s sports smartwatch is fully charged.

Next, download the EIGIIS app from the App Store or Google Play Store.

Open the EIGIIS app and connect your EIGIIS men’s sports smartwatch to your phone.

Once connected, you can start tracking your exercise data and heart rate changes.

To track your exercise data, select the “Exercise” option in the EIGIIS app and choose the type of exercise you are doing.

To track your heart rate changes, select the “Heart Rate” option in the EIGIIS app and place your finger on the sensor on the back of your watch.

The EIGIIS men’s sports smartwatch will then start tracking your heart rate changes.

Once you have finished your exercise, you can view all of your data in the EIGIIS app.

You can also set goals for yourself in the EIGIIS app and track your progress over time.

Finally, make sure to sync your EIGIIS men’s sports smartwatch with the EIGIIS app regularly to ensure that all of your data is up-to-date.