Oura
Oura Ring 4
Sleep, recovery and daily activity trends
Typically 5-8 days; about 20-80 minutes recharge
€265.30 EUR≈ $297 USDECB 2026-10-09EU · Store price · Listed
Meizu / DreamSmart
StarV Ring2
ReleasedA ceramic ring for sleep and activity trends that also controls compatible phones and StarV Air2 glasses through touch gestures. Manufacturer glucose-risk estimates are wellness claims, not blood-glucose measurements.
CN¥699 CNY≈ €93 EUR · $104 USDECB 2026-10-09CN · Store price · Unverified
- Not a medical device; advertised hyperglycemia risk assessment is not clinical glucose measurement.
- 15-day battery figure refers to standby, not continuous active tracking.
- Required subscription costs were not stated on checked product pages.
PRICES & AVAILABILITY
Prices & availability
CN¥699 CNY≈ €93 EUR · $104 USDECB 2026-10-09 CN · Store price
UnverifiedStarV Ring2, Meteorite Black
Official Chinese homepage lists 699 CNY. The detail page initially displays a 1 CNY support option, so a full-price checkout and stock were not verified.Price source ↗ Checked 2026-10-12Chinese manufacturer catalogue and global specifications verified. International shipping and region-specific app support are unverified.
Lithuania: Delivery and local support not verified. Prices are snapshots, not a live stock feed. Taxes, shipping, prescription lenses and accessories can change the total.
Specifications
- Designed for
- Sleep, activity and touch control for glasses and phones ↗
- Display
- No display; status indicator light ↗
- Tracking
- Heart rate, sleep, stress, activity, SpO2 and temperature trends; touch gestures for phones and StarV Air2 ↗
- Sensors
- Heart-rate, motion, temperature and touch sensors ↗
- Material
- Ceramic ↗
- Sizes
- 8, 9, 10 and 12; inner diameters 18.2-21.5 mm ↗
- Case size
- 8 mm wide; 2.9 mm thick ↗
- Weight
- 4-6 g ↗
- Battery / power
- Up to 15 days standby; active-tracking runtime not specified ↗
- Battery context
- Manufacturer standby estimate; active use may be shorter ↗
- Connection & compatibility
- MYVU app; selected Android and iPhone models; check manufacturer compatibility list ↗
- Water / dust rating
- IP68 / 5 ATM ↗
- Fit & sizing
- Manufacturer size chart recommended ↗
Specifications awaiting evidence
Subscription. Unknown values are evidence gaps, not proof that a feature is absent.
THE NEXT STEP
Put it in perspective.
Samsung
Samsung Galaxy Ring
Sleep, daily activity and recovery trends
Up to 7 days, depending on size and use; charging case included
$399.99 USD≈ €357 EURECB 2026-10-09US · Store price · Out of stock
RingConn
RingConn Gen 3
Sleep and daily health trends
Up to 14 days; 10-12 days with vibration enabled
$349 USD≈ €311 EURECB 2026-10-09Global · Store price · Listed
THE COMMUNITY
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