Smart Ring LED Display | Heart Rate, SpO₂ & Fitness Tracker
Smart Ring LED Display | Heart Rate, SpO₂ & Fitness Tracker
Smart Ring with LED Display — Track Your Wellness, Hands-Free
Meet the SR08 Smart Ring — a sleek, ultra-thin wearable that fits on your finger and keeps up with your life. Whether you're training, resting, or simply going about your day, this ring quietly monitors your body metrics and syncs them to the Jring app on your Android or iOS device. With a built-in LED display, you get instant data at a glance — no phone required.
Made in Mainland China.
Why You'll Love the SR08 Smart Ring
- LED Display Screen — View real-time stats directly on your ring with a simple touch gesture, no need to pull out your phone.
- Heart Rate Monitoring — Triple-tap the ring to activate the optical sensor and read your current heart rate instantly.
- Blood Oxygen Tracking (SpO₂) — Four taps switches on the SpO₂ sensor so you can check your blood oxygen saturation on the go.
- Sleep Tracking — Five taps to view last night's sleep duration. Understand your rest patterns effortlessly.
- Step Counter — Double-tap to see your daily step count, lit up in green on the display.
- Multi-Sport Modes — Supports multiple movement modes so your ring keeps up whether you're walking, running, swimming, or cycling.
- 5ATM Waterproof — Rated to 50 meters depth, this ring goes where you go — even underwater. Perfect for swimming, snorkeling, or showering.
- Gesture Controls — Wave your hand to take a hands-free selfie or scroll through videos and social feeds without touching your phone screen.
- Bluetooth 5.1 & OTA Updates — Reliable, energy-efficient connectivity with support for over-the-air firmware upgrades so your ring always stays current.
Specifications
| Model | SR08 |
| App | Jring (Android 9.0+ / iOS 10.0+) |
| Display | Built-in LED Screen |
| Material | Alloy (Stainless Steel with resin fill) |
| Thickness | 2.5 mm |
| Colors | Black, Gold, Silver |
| Chipset | Dialog DA14585 (ultra-low power) |
| Bluetooth | 5.1 |
| Battery | 16 mAh | Charges in ~2 hours |
| Charging | Magnetic charging cable or charging box |
| Waterproof | 5ATM (50 m) |
| Certification | CE |
| OTA Updates | Supported (FOTA) |
| Operating Temp. | 0–50 °C |
Size Guide
Measure your finger circumference before ordering to ensure the best fit. Available sizes:
- Size 8 — 18.2 mm
- Size 9 — 19.0 mm
- Size 10 — 19.9 mm
- Size 11 — 20.6 mm
- Size 12 — 21.5 mm
Tip: For best tracking accuracy, wear the ring on your index finger. Middle and ring fingers also work well.
Getting Started
- Charge your SR08 ring using the included magnetic cable or charging box. The heart rate light illuminates when startup is successful.
- Download the Jring app (available for Android 9.0+ and iOS 10.0+).
- Open the app and pair via Bluetooth 5.1 — setup takes less than a minute.
- Start tracking steps, heart rate, sleep, and more right away.
Important Notes
- There are two charger types available: a black magnetic charging cable and a white charging box. Check your package contents.
- Ring sizing may vary slightly from universal standards — please measure carefully before ordering.
- Actual color may differ slightly from screen images due to display variations. Please allow ±1–2 cm for manual measurement.
For more information on how wearable fitness trackers work and best practices for using them, visit the CDC Physical Activity resources.
Frequently Asked Questions
Q: Is the SR08 smart ring compatible with both Android and iPhone?
A: Yes! The SR08 smart ring is compatible with Android 9.0 and above as well as Apple iOS 10.0 and above. Simply download the free Jring app and connect via Bluetooth 5.1 to get started.
Q: How waterproof is this smart ring?
A: The SR08 smart ring carries a 5ATM waterproof rating, meaning it is water-resistant to depths of 50 meters. It is safe to wear while swimming, snorkeling, showering, and in the rain.
Q: How long does the battery last and how do I charge it?
A: The ring houses a 16 mAh battery and takes approximately 2 hours to fully charge using the included magnetic charging cable or charging box. Battery life will vary depending on usage of features like continuous heart rate and SpO₂ monitoring.
Q: What health metrics does the smart ring track?
A: The SR08 tracks heart rate, blood oxygen levels (SpO₂), sleep duration, step count, and supports multiple sport modes. All data syncs to the Jring app for easy review and trend analysis.
Q: Can I control my phone's camera and social media apps with this ring?
A: Yes! The SR08 features gesture controls — simply wave your hand to trigger your phone's camera for a hands-free selfie. It also supports page-scrolling gestures for video and social media apps, offering a convenient, hands-free interactive experience.