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down to a 5V/1A USB port for charging.
You can view the battery level of i3 HR via Zeroner Health App. Under such circumstance, the
battery level is the status when synchronizing i3 HR last time. To ensure that the battery level can
truly reflect the current information, please synchronize i3 HR.
If you do not use the i3 HR for a period of time temporarily, you can shut it down to save battery.
Maintenance
Clean and dry i3 HR regularly, especially the lower parts of the bracelet. Use the skin care
products with caution where the skin is covered by i3 HR.
i3 HR Data Recording
As long as you wear i3 HR, it will automatically record all data. When you synchronize smart
devices, the sports data will be uploaded to Zeroner Health App, and you can review the data via
Zeroner Health App.
Recording data of the whole day
i3 HR will automatically record and display the following data in the whole day