R11 Smart Ring - size 7 silver - brand new and sealed in the box.
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Product details
| Management number | 24419587 | Release Date | 2025/12/12 | List Price | $27.00 | Model Number | 24419587 | ||
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The R11 smart ring is a wearable health and fitness tracker that monitors various health metrics, connects via Bluetooth to an app on iOS and Android devices. It is manufactured in China and comes with no subscription fees for the app's functions.
Key Features and Specifications
Health Monitoring: Tracks heart rate, blood oxygen (SpO2), blood pressure, sleep quality (deep sleep, light sleep, REM, wakefulness), steps taken, distance traveled, and calories burned.
Connectivity: Uses Bluetooth 5.2 to connect to the companion "Smart Health" (or similar, such as "QRing" or "Da Ring") app on compatible smartphones (Android 5.1+ or iOS 8.0+).
Durability: The ring is made of stainless steel and is IP68 and 5ATM waterproof, suitable for wearing while washing hands, bathing, and swimming.
Battery Life: It has a Li-ion polymer battery and offers about 5-7 days of normal use and up to 15 days of standby time on a single charge.
Package Contents
The box indicates the package includes:
Smart Ring
| Category | Electronics > Wearables > Fitness Trackers |
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| Size | N/A |
| Brand | None |
| Condition | Like new |
Fitness Trackers
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