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
Luna
Luna Ring Gen 2
ReleasedA titanium ring for sleep, HRV, temperature and activity trends, with a portable charging case and a subscription-free companion app.
₹17,499 INR≈ €161 EUR · $181 USDECB 2026-10-09IN · Store price · Listed
PRICES & AVAILABILITY
Prices & availability
₹17,499 INR≈ €161 EUR · $181 USDECB 2026-10-09 IN · Store price
ListedLuna Ring Gen 2 and charging case
Official listed price; stock and final checkout cost are not independently verified.Price source ↗ Checked 2026-10-12Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration.
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, recovery and daily activity trends ↗
- Display
- No display ↗
- Battery / power
- Up to 5 days ring-only; up to 30 days including case recharges ↗
- Battery context
- Manufacturer estimate; settings and use dependent ↗
- Connection & compatibility
- Bluetooth Low Energy 5; iOS 18+/Android 6+ ↗
- Weight
- 3-5 g depending on size ↗
- Subscription
- No required subscription ↗
- Material
- Titanium, PVD coating, non-metallic inner lining ↗
- Fit & sizing
- Sizing kit recommended ↗
- Tracking
- Sleep stages, HR/HRV, SpO2, temperature, activity and cycle trends ↗
- Sensors
- PPG, skin-temperature sensor, 3-axis accelerometer ↗
- Water / dust rating
- 5 ATM ↗
Specifications awaiting evidence
Sizes. 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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