Before training
Check that ARC is charged, dry and sitting securely above the wrist bone before a workout.
Support · Health insights
Workouts and training
ARC is intended to add training context without turning the band into a screen-first sports watch. Final workout modes and automatic detection behavior will be published with the production app.
ScreenlessCore app included$0/monthAvailable to order
During high-motion exercise
Rapid arm motion, vibration, gripping and wrist flexion can make optical heart-rate readings less stable. A secure, comfortable fit can help.
Workout modes
The exact list of supported workout types and any automatic workout detection remain production features to be confirmed.
Heart-rate zones
If the ARC app displays zones, the method used to calculate or personalize them will be documented in the production product. Zones are training context, not medical thresholds.
After training
Dry the band and your skin, then loosen the strap back to a comfortable everyday fit if you tightened it for exercise.
Recovery after workouts
Use sleep, recent activity and physiological trends together. One workout or one daily score should not be treated as the whole picture.
Related help
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.