Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
AutrefoisElf Gen 3 Smart Ring, Health Fitness Ring: No subscription fee
You want a sharp look without fumbling with a smartwatch. The AutrefoisElf Smart Ring Gen 3 fits like jewelry but tracks your sleep, stress, and daily activity with no subscription fees. Perfect for busy professionals or parents who want health insights on the go.
Unlike bulky fitness bands, this ring feels natural. Wear it 24/7, even swimming or showering (IP68 rated). The app shows your sleep stages and readiness score, helping you adjust your day for better focus or recovery. The motion alerts remind you to move after long meetings, and the HR monitor picks up on stress patterns you didn't notice.
With 139 sports modes and up to 5 days of battery from a quick charge, you stay in control without charging anxiety. No monthly fees, just clear data to help you make smarter choices.
Features
- 24H sleep monitor with stages
- Heart rate and step tracker
- IP68 waterproof
- 139 sports modes
- Stress monitor
- 3-5 days battery life
- Sizing kit recommended
- No subscription fee
General specs
- Brand: AutrefoisElf
- Model: Gen 3
- Seller: Retailer
- ID: B0GNKG3HNQ
- Sensor: High-precision core chip
- Weight: Not specified
- Material: Micro-matte scratch-resistant
- Band Size: 6-14
- Band Width: 0.24 in
- Battery Life: 3-5 days
- Sports Modes: 139 modes including running, cycling, yoga, water sports
- Charging Time: 1 hour
- App Compatibility: Free app with no subscription fee
- Waterproof Rating: IP68
- Compatible Devices: Android, iOS
- Monitoring Features: Heart rate, Step count, Sleep tracking, Stress monitoring, Distance tracking, Calorie tracking
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
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| Brand | AutrefoisElf | Heraphus | uaue | ZBNMY | Sqrutri | wepmous |
| Model | Gen 3 | V1 | R26 | |||
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| Price | €31.60 | €26.32 | €21.94 | €86.91 | €78.13 | €38.62 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 27, 2026 | May 20, 2026 | May 20, 2026 | May 29, 2026 | May 20, 2026 | May 20, 2026 |
| Battery Life | 3-5 days | 3-5 days | N/A | |||
| Charging Time | 1 hour | 1-2 hours | 60 minutes | |||
| Waterproof Rating | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Size | 11 | Ring sizes 6-14 US | 7 | 9 | 10 | |
| Compatibility | Android 5.0+, iOS 8.0+ | iPhone, Android | iOS, Android | iOS, Android | ||
| Sleep Tracking | Deep sleep duration, Light sleep duration, Eye movement, Wakefulness | Deep sleep, Light sleep, REM, Wakefulness | Deep Sleep, Light Sleep, Wake-up Time | |||
| Health Monitoring | Heart rate 24/7, Blood oxygen 24/7, Blood pressure 24/7, Sleep tracking, Step counting | Heart rate, Sleep, Women's health, Body recovery | Heart Rate, Blood Oxygen, Blood Pressure | Heart Rate, Blood Oxygen, Heart Rate Variability, Stress Level | ||
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