SR08 Smart Ring – Heart Rate, SpO2 & Sleep Tracker, 5ATM
SR08 Smart Ring – Heart Rate, SpO2 & Sleep Tracker, 5ATM
SR08 Smart Ring — Sleek Health Tracking on Your Finger
Meet the SR08 Smart Ring — a cutting-edge wearable designed for men and women who want powerful health and fitness insights without the bulk of a traditional smartwatch. Housed in a slim 2.5mm alloy shell, this ring packs an LED display, continuous health monitoring, multi-sport tracking, and a 5ATM waterproof rating into one elegantly minimal design. Made in Mainland China.
Key Features
- LED Display Screen — View real-time stats directly on the ring face with a simple touch interface. No need to pull out your phone.
- Heart Rate Monitoring — Triple-tap the ring to activate the optical sensor. The LED lights up and delivers a live heart rate reading in seconds.
- Blood Oxygen (SpO2) Monitoring — Four taps initiates a SpO2 reading, giving you a quick snapshot of your oxygen saturation levels.
- Sleep Tracking — Five taps surfaces last night's sleep duration so you can understand your rest patterns over time.
- Step Counter — A double-tap activates the green step indicator to display your daily step count.
- Multi-Sport Modes — Supports multiple movement modes to track a wide variety of workouts and activities.
- 5ATM Waterproof — Rated for depths beyond 50 meters, making it suitable for swimming, snorkeling, and diving.
- Gesture Control — Wave your hand to take a remote selfie, or swipe to scroll through videos and social apps without touching your phone screen.
- Bluetooth 5.1 — Pairs seamlessly with the Jring app (Android 9.0+ / iOS 10.0+) for deeper analytics, GPS support, multi-language interface, and OTA firmware updates.
- Ultra-Low Power Chipset — Powered by the German Dialog DA14585 chip for extended battery endurance. Charges fully in just 2 hours via magnetic cable or charging box.
Specifications
| Model | SR08 |
| App | Jring |
| Material | Alloy (stainless steel with resin fill) |
| Thickness | 2.5mm |
| Colors | Black, Gold, Silver |
| Bluetooth | 5.1 |
| Battery | 16 mAh |
| Charge Time | ~2 hours |
| Charging Method | Magnetic cable or charging box |
| Waterproof Rating | 5ATM (50m+) |
| Operating Temp | 0–50°C |
| Compatibility | Android 9.0+ / iOS 10.0+ |
| Certification | CE |
| Origin | Made in Mainland China |
Ring Size Guide
For best accuracy, wear the ring on your index finger. Middle and ring fingers are also suitable. Avoid fingers where the base is significantly narrower than the knuckle.
- Size 8 — 18.2mm inner diameter
- Size 9 — 19.0mm
- Size 10 — 19.9mm
- Size 11 — 20.6mm
- Size 12 — 21.5mm
Note: Ring sizing may differ slightly from universal standards. Measure your finger circumference before ordering to ensure the best fit. Colors may vary slightly from images due to display settings. Please allow ±1–2cm variance due to manual measurement.
Charging Note
Two charger types are available: a black magnetic charging cable or a white charging box. Your order will include one of these options.
How to Get Started
- Charge the ring using the included cable. The heart rate indicator light will confirm successful startup.
- Download the Jring app on your Android or iOS device.
- Open the app and pair your SR08 ring via Bluetooth.
- Start tracking your activity, rest, and wellness from your finger!
For general guidance on understanding heart rate and wellness tracking in everyday life, visit the CDC's Physical Activity resource on heart rate monitoring.
Frequently Asked Questions
Q: What health metrics does the SR08 smart ring monitor?
A: The SR08 smart ring tracks heart rate, blood oxygen (SpO2), sleep duration, and step count. You can access each metric with a specific tap sequence directly on the ring, or view detailed data through the Jring app.
Q: Is the SR08 smart ring waterproof enough for swimming?
A: Yes! The SR08 carries a 5ATM waterproof rating, which means it is designed to withstand water pressure at depths exceeding 50 meters. It is suitable for swimming, snorkeling, and casual diving.
Q: Which phones are compatible with the SR08 smart ring?
A: The SR08 is compatible with Android devices running version 9.0 or higher, and Apple iOS devices running version 10.0 or higher. It connects via Bluetooth 5.1 and uses the Jring app, which supports multiple languages.
Q: How long does the SR08 smart ring battery last and how is it charged?
A: The SR08 has a 16 mAh battery that charges fully in approximately 2 hours. It charges via a magnetic cable or a charging box (type included may vary by shipment).
Q: Can I use the SR08 smart ring to control my phone remotely?
A: Yes! The SR08 supports gesture-based remote control. You can wave your hand to trigger your phone's camera shutter for hands-free selfies, and use swipe gestures to scroll through videos and apps without touching your screen.