Alex R.
★★★★★Bought for overnight SpO₂ — clear sleep insights
Bought it mainly for overnight SpO₂ / Sleep Oxygen. After using it: light on the finger, solid battery life, and the overnight curves in the app are easy to read. I can occasionally see SpO₂ fluctuations, which gives me a clearer sense of my sleep quality. It’s not a clinical diagnostic device, but it works well as a daily wellness check-in. Once you get the size right, it’s very comfortable.
2026-09-11