Smart Sleep Tracker Ring
Sleep & Ambient

Smart Sleep Tracker Ring

$179

Polished titanium. 7-day battery. No subscription required.

Tracks sleep stages, heart rate, HRV, body temperature, and recovery — all on a single charge that lasts a week. No monthly fee, no required subscription.

The detail

  • Sizes 6 through 13 — sizing kit available
  • Polished titanium with PVD coating
  • 7-day battery, USB-C charging dock
  • iOS + Android app, fully owned data, no fees