Compare up to three models from one category. Keep the purpose and the source beside the numbers.
A gesture controller for glasses and computers
Keep in mind Real-world false triggers and exact device compatibility are the tests that matter. It lacks payments and vibration, and shipping fees are collected after the campaign. Core features currently have no subscription planned.
Sleep and daily health trends
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 | $249 USD≈ €223 EURECB 2026-10-12International · Historical campaign price 1 offer records & sources$249 USD≈ €223 EURECB 2026-10-12 International · Historical campaign price Historical campaign priceKiWear Historical Super Early Bird: one ring, charging case, USB-C cable, phone stand and manual Current reward availability and final checkout total not confirmed.Check merchant offer ↗Price source ↗ Checked 2026-10-12 | $349 USD≈ €312 EURECB 2026-10-12Global · Store price · Listed 1 offer records & sources$349 USD≈ €312 EURECB 2026-10-12 Global · Store price ListedFuture Silver / 6 Official listed price; stock and final checkout cost are not independently verified.Price source ↗ Checked 2026-10-12 |
| Designed for | A gesture controller for glasses and computers ↗ | Sleep and daily health trends ↗ |
| Tracking | Not verified | Sleep and apnea-pattern insights, activity, HR/HRV, temperature and cycle trends; vibration alerts ↗ |
| Sensors | HR, SpO2, sleep and activity ↗ | Optical heart-rate sensor, temperature sensor and accelerometer ↗ |
| Battery / power | 3-5 days typical or about 20 hours continuous (manufacturer claim) ↗ | Up to 14 days; 10-12 days with vibration enabled ↗ |
| Battery context | Not verified | Manufacturer estimate; settings and use dependent ↗ |
| Water / dust rating | Not verified | IP68 / 10 ATM, manufacturer rating ↗ |
| Connection & compatibility | Up to 8 Bluetooth devices; 2 active simultaneously ↗ | Bluetooth 5.0; iOS 17+/Android 10+ ↗ |
| Material | Not verified | Titanium and epoxy resin ↗ |
| Fit & sizing | Not verified | Use the model-specific sizing kit ↗ |
| Weight | Not verified | 2.5-3.5 g ↗ |
| Subscription | Not verified | No required subscription ↗ |
| Ring width | Not verified | Not verified |
| Thickness | Approx. 3mm ↗ | Not verified |
| Materials | Zirconia ceramic outside, epoxy resin inside ↗ | Not verified |
| Controls | Air Mouse, swipes, pinches, taps and customizable gestures ↗ | Not verified |
| Payments & haptics | No NFC payments; no vibration alert ↗ | Not verified |
| Availability | Funded campaign ended October 7, 2026. Reward schedule points to late November; actual shipping not independently confirmed. Late November 2026. | Official product listing verified. Specific stock, shipping destinations, taxes and checkout totals must be confirmed for the selected configuration. |
| Important context |
| No additional audit note. |
| Editorial pick & release | #2 · Upcoming Smart ringsExpected: Late November 2026Original Kickstarter reward plan | #2 · Our Top 10 Smart ringsReleased: May 29, 2026Initial sales in stated launch markets |
| Evidence | Manufacturer source Checked 2026-10-12 | Manufacturer source Checked 2026-10-12 |
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.
