ABOUT RSTSOE
A smarter ring. A quieter day.
Rstsoe exists for people who want better sleep and recovery without turning health into a performance. The H1 Smart Ring (Black) tracks sleep, HRV, heart rate, SpO2, steps, and calories — quietly, on your finger.
5ATM water resistance. Up to five days of battery per charge, with a portable charging case. Compatible with iOS and Android. No subscription required for core app features. US sizes 7–12. Not a medical device.
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