Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Secofy Smart Fitness and Activity Ring
Product details
General specs
- Brand: Secofy
Starting from €49.29
Last price update: 7/3/26
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| Brand | Secofy | VAMOTRA | FKGZJF | prxxhri | Domhong | Mirlray |
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| Price | €49.29 | €35.85 | €53.76 | €89.63 | €44.81 | €22.07 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | May 20, 2026 | May 20, 2026 | Jun 24, 2026 | May 20, 2026 | May 20, 2026 |
| Size | Size 8 | #6 | 6# (US size 6.5 approx) | 09# | ||
| Battery Life | 5 to 7 days, Charging time: 1.5 hours, Includes charging case | 3-5 days (ring), 60 days (with charging case) | 3-5 days | 4+ days (full charge) | 5 days (regular use) | |
| Compatibility | Android, iOS | iPhone, Android | Android 4.4+, iOS 8.4+ | women, men | ||
| Sleep Tracking | Precision Sleep Tracking, Records deep, light, and interrupted sleep patterns, Generates daily, weekly, and monthly sleep reports | Yes | Automatic, Deep sleep, Light sleep | Yes (deep sleep, light sleep, REM, wakeful periods) | yes | |
| HRV Monitoring | Yes | 24-hour | Yes | |||
| Heart Rate Monitor | Yes | Yes | yes | |||
| Blood Oxygen Monitor | Yes | Yes | yes | |||
| Calorie Tracking | Automatic | Yes | Yes | |||
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