Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
uaue TM21 Size 9 Smart Health Ring with Vibration Alert and Touch Control
Available offers (3)
Current
Size 9
Retailer
€22.28
Available to order
—
Price history by offer
Volatility: HighFeatures
- Vibration alert for calls, alarms, and health reminders
- Touch control for remote photo, music, and video functions
- Comprehensive health monitoring including heart rate, sleep, and body temperature
- IP68 waterproof rating for sweat, rain, and splashes
- Long battery life up to 25 days standby
- Women's health tracking for menstrual cycles and symptoms
General specs
- Brand: uaue
- Model: TM21
- Seller: Retailer
- ID: B0FJ235X2C
- Size: 9
- Battery Life: 4~6 d
- Charging Time: 1
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
- First listed by seller: January 14, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
This uaue smart ring is for the busy professional who wants health insights without another screen demanding attention. It’s your discreet companion for tracking sleep quality or monitoring daily activity, especially if you juggle work and wellness goals.
While many fitness rings focus on data, this one adds a practical layer of connection. The vibration alert for incoming calls or reminders means you can stay present without missing important notifications. We found the touch control intuitive—a quick double-tap to snap a photo or flip an e-book page feels seamless when your hands are full.
Wear it 24/7 for comprehensive health monitoring, including heart rate and sleep stages, with no subscription fees. The IP68 waterproof rating handles workouts and daily life, and the long battery life keeps it running for days. Use the women’s health tracking to manage menstrual cycles or share health data with family through the friend function, making it a thoughtful gift for couples or parents.
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| Brand | uaue | FKGZJF | Weylmd | REWSX | SARUNN ER | ZBNMY |
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| Price | €22.28 | €88.27 | €47.24 | €50.80 | €14.12 | €44.56 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 27, 2026 | Apr 23, 2026 | Mar 21, 2026 | Mar 30, 2026 | Mar 21, 2026 | May 8, 2026 |
| Size | 9 | 8 | 9 | 14 | 7 | 8 |
| Battery Life | 4~6 d | 3–5 d | 3–5 d | 5–7 d | 7–10 d | |
| Charging Time | 1 | 2 | 2 | |||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| OS Compatibility | Android, iOS | Android 4.4, iOS 8.4 | Android, iOS | Android 4.4+, iOS 8.4+ | Android, iOS | Android, iOS |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Material | Metal | Titanium Alloy | Titanium Alloy | Metal | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
uaue TM21 Silver
€22.28
When this device makes sense
Product confidence
Reviews
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