SR-2 is QALO's everyday smart ring: a light titanium band that tracks sleep, activity and recovery signals around the clock, with a free app and no subscription.
What it tracks
- Sleep stages and naps
- Heart rate, heart rate variability (HRV) and stress
- Blood oxygen (SpO2) and skin temperature trends
- Steps, calories and distance
Details
- Titanium, about 3 g, 8 mm wide
- Up to 5 days per charge (QALO's rating)
- Free QALO app for iPhone and Android, no subscription
- Sizes 6 to 14
Sizing
SR-2 fits snugger than a standard ring because of the sensors inside. If you're between sizes, size up.
In the box
- SR-2 ring
- Charging case and cable
- Two silicone covers (one black, one white)
Shipping
Ships in December.
SR-2 is a wellness device, not a medical device.
