Wearing Armband 2.0
Where should I wear Armband 2.0?
We recommend wearing Armband 2.0 comfortably on your upper arm—either arm is fine. If preferred, you can also wear it on your upper forearm. We don't recommend wearing it on your wrist.
What size strap does Armband 2.0 have?
The Armband 2.0 strap fits upper arms measuring 9–12.5 inches (23–32 cm) in circumference.
Can I purchase an extra Armband 2.0 strap?
We don't currently offer spare Armband 2.0 straps, but you can purchase a compatible spare strap from COROS here.
Can I buy a larger Armband 2.0 strap?
We're currently developing more strap size options. In the meantime, some users have successfully used larger COROS straps available here.
Note: Visible’s Armband 2.0 is a different device from the COROS heart rate monitor, the straps are compatible.
Purchasing and Replacement
Can I buy a replacement Armband 2.0?
Currently, Armband 2.0 can only be purchased directly from Visible. If you lose your Armband 2.0, please contact Member Support—we’re happy to assist.
Materials and Durability
What materials are used in Armband 2.0?
The sensor:
Plastic (ABS+GF, PMMA)
Stainless steel (SUS 316, contains nickel)
The strap:
Polyamide (elasticated fabric)
Elastane
Aluminium
Is Armband 2.0 waterproof?
Yes, Armband 2.0 is fully waterproof and safe to wear while swimming, showering, or bathing. If exposed to saltwater, ensure you clean the charging pins thoroughly to prevent buildup.
Cleaning and Maintenance
How do I clean Armband 2.0?
Regularly wash your Armband sensor and strap using mild soap and water. Rinse thoroughly and air-dry the strap by hanging it or laying it flat. Avoid using alcohol or disinfectants.
How do I turn off Armband 2.0?
There's no need to manually turn off Armband 2.0. It automatically detects when you're wearing it and enters standby mode when not in use.
Troubleshooting and Connectivity
How can I prevent missing heart rate data?
Ensure the Visible app runs continuously in the background.
Avoid connecting Armband 2.0 to multiple devices or apps simultaneously.
Keep your armband within range of your phone, where possible.
Refresh data manually by going to your Heart Rate screen (via your Today tab), then pull below the heart rate graph until a tick appears.
How do I restart Armband 2.0?
To restart Armband 2.0 please follow these steps:
Force-close the Visible app on your phone.
While the charger is disconnected, press the small button on your armband (located on the top side, under the strap) using a pen or pin.
Hold the button for 1–2 seconds.
Release the button. The lights should turn back on.
Don't worry, restarting your armband won't erase your heart rate data.
Warning: Do not connect your armband to a charger while restarting your armband.
Doing so will reset the armband and erase all data, restoring Armband 2.0 to factory settings.
How do I update the firmware?
If a firmware update is available, go to Profile > About > Troubleshooting and select "Armband firmware update".
Why won't my armband connect to my new phone?
If you get a new phone, upgrade your phone, or swap phones, your Visible Armband 2.0 needs to be reset for security reasons before you can reconnect or pair with the Visible app on your new device.
Please follow the step-by-step instructions detailed in Resetting your Armband 2.0 to reset your armband and then connect to the Visible app on your new phone.
What do the LED patterns represent?
This LED pattern is displayed when the Armband 2.0 is on and ready to measure your heart rate, but the optical heart rate sensor is not in contact with your skin:
This LED pattern is displayed when you are wearing the device and the device is measuring your heart rate:
Additional Capabilities
Does Armband 2.0 automatically track my sleep?
Visible Armband 2.0 isn't yet optimized for automated sleep tracking, though we still recommend wearing your armband overnight. Our product plans for 2025 include introducing basic automated sleep tracking, so we hope to have more news soon.
In the meantime, you can keep rating your sleep manually during your Morning Check-in.
Can I continuously track HRV?
Currently, Armband 2.0 doesn't provide continuous HRV tracking. However, HRV data is collected during your Morning Check-in.
Can I measure blood pressure?
No, Armband 2.0 doesn't track blood pressure.