3 ms·
I've heard good things about the Oura Ring https://ouraring.com/ https://ouraring.com/. It tracks sleep and has a 7 day battery life.
by james2406 6y ago
I've heard good things about the Oura Ring https://ouraring.com/ https://ouraring.com/. It tracks sleep and has a 7 day battery life.
- webkike 6y agoOura ring is good. Tracks heart rate and sleep satisfactorily. I heartedly recommend.