Noise Luna Ring (Gen1)
Sleep, readiness and activity wellness tracking
Keep in mind Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.
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Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.
At a glance
The differences that matter
Oura Ring Gen2
Nighttime biosignals, sleep and daytime motion
Keep in mind Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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| Smart ringsAdd a model |  |  |
|---|---|---|
| Prices · all markets | Price not verified 0 offer records & sourcesNo verified price in this audit. | Price not verified 0 offer records & sourcesNo verified price in this audit. |
| Designed for | Sleep, readiness and activity wellness tracking ↗ | Nighttime biosignals, sleep and daytime motion ↗ |
| Sensors | Infrared PPG, skin temperature and 3-axis accelerometer ↗ | Not verified |
| Water / dust rating | Maker states up to 50 m equivalent resistance ↗ | Not verified |
| Material | Titanium body, diamond-like coating and hypoallergenic inner shell ↗ | Titanium with PVD or DLC finish depending on colour ↗ |
| Thickness | 3 mm ↗ | Not verified |
| Form factor | First-generation smart ring ↗ | Smart ring; Balance/Heritage styling in one hardware family ↗ |
| Optical Design | Three LEDs, two photodiodes and three alignment bumps ↗ | Not applicable to this category |
| Temperature Sampling | Skin temperature every 5 minutes ↗ | Not applicable to this category |
| Wireless | Bluetooth LE 5 ↗ | Not applicable to this category |
| Runtime | Up to 5 days ↗ | Not applicable to this category |
| Charge Time | Approximately 60 minutes ↗ | Not applicable to this category |
| Fit | Seven ring sizes ↗ | Not applicable to this category |
| Leds | Not applicable to this category | Infrared LEDs for nighttime sensing ↗ |
| Motion | Not applicable to this category | Accelerometers ↗ |
| Temperature | Not applicable to this category | NTC temperature sensors ↗ |
| Charging | Not applicable to this category | USB-powered charger with white LED ↗ |
| Measurement | Not applicable to this category | Nighttime resting HR, HRV, skin temperature and respiratory-rate estimates ↗ |
| Availability | Original maker Gen1 launch and exact-model physical review verified. Gen1 current retail amount and stock not established. | Oura explicitly says Gen2 rings and chargers are no longer available for purchase. |
| Important context |
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| Editorial pick & release | No editorial ranking recorded | No editorial ranking recorded |
| Evidence | Manufacturer source Checked 2026-10-13 | Manufacturer source Checked 2026-10-13 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.