Movement sensing
Accelerometer and gyroscope signals can help identify movement patterns and provide context for activity.
Support · Health insights
Activity and movement
ARC is designed to combine motion and physiological signals for daily activity context. Final activity metrics and algorithms remain subject to production validation.
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Daily totals are estimates
Step counts, activity time and similar consumer wearable metrics depend on algorithms and can differ from another device or manual count.
Wrist motion can mislead
Some repetitive hand motions can look like activity, while movement with little arm swing can be undercounted by wrist-based systems.
Energy estimates
If ARC presents calorie or energy estimates, they should be treated as approximations rather than precise measurements of energy expenditure.
Use the trend
For most wellness decisions, comparing your own activity patterns over time is more useful than expecting exact agreement between different devices.
Need help with your specific ARC?
Contact [email protected] with the relevant order number and a clear description of the issue. Never send passwords, one-time codes or reusable sign-in links.