Smart Sleep & Fitness Ring
Black / 7
Sale price
$49.90
Regular price
$69.90
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Smart Sleep & Fitness Ring
Sale price
$49.90
Regular price
$69.90
Sleep stages, heart-rate variability, blood-oxygen estimates and steps from a ring, with no subscription. Bluetooth app, 5–7 day battery, water resistant.
- Sizes 7 to 13 · inner diameter 18.2 to 22.5 mm
- Black, gold or silver
For general wellness and fitness tracking only. Not a medical device.