2025 Smart Ring R12/R13 – Display, Heart Rate & 5ATM Waterproof

Meet the Ola Esporte Smart Ring (R12/R13) — the ultra-slim, stainless steel wellness companion that fits right on your finger. Packed with precision health-tracking sensors, a built-in display screen, touch controls, and a wireless charging case, this ring is designed for modern men and women who want smart insights without the bulk of a wristband.

This product is intended for general wellness and fitness tracking purposes only. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or health condition. These statements have not been evaluated by the Food and Drug Administration.

✨ Why You'll Love It

• All-Day Health Monitoring: Continuously tracks heart rate, blood oxygen levels, body temperature, and blood pressure — plus advanced sleep quality analysis so you wake up knowing how well you truly rested.
• Built-In Display Screen & Touch Control: Unlike most smart rings, this one features a crisp on-ring display and intuitive touch interface for quick at-a-glance stats without pulling out your phone.
• Wireless Charging Case: The elegant charging case holds and wirelessly charges your ring — just drop it in. Full charge in about 2 hours, with 3–5 days of battery life on a single charge.
• 5ATM Waterproof (IP68): Swim, shower, or splash — this ring handles it all. Rated 5ATM so you never need to take it off.
• 10+ Sport Modes: Whether you're running, cycling, or doing yoga, the ring tracks your activity with dedicated sport modes and syncs data automatically to the ECTRI app (Android 5.0+ / iOS 10.0+).
• Smart Connectivity – BLE 5.3: Seamlessly pairs with your smartphone for remote camera control, motion-sensing games, gesture interaction, step counting, and calorie tracking.
• Sleek Stainless Steel Build: Ultra-thin 2.7mm profile in premium stainless steel. Available in sizes #8–#13 (18.2mm–22.3mm inner diameter) to fit virtually every finger.
• CE & FCC Certified: Meets international safety and quality standards for peace of mind.

📋 Key Specifications

📱 Functions at a Glance

• Heart Rate Monitoring
• Blood Oxygen Tracking
• Blood Pressure Monitoring
• Body Temperature Sensing
• Advanced Sleep Analysis (duration & quality)
• Step Counter & Calorie Tracker
• 10+ Sport Modes
• Remote Camera Control
• Motion-Sensing Games
• Gesture Interaction
• App Data Sync (ECTRI)

🎁 Perfect Gift Idea

Looking for a thoughtful, modern gift? The Ola Esporte Smart Ring makes a fantastic birthday or celebration present for the tech-savvy person in your life — for both men and women.

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For more information on how wearable fitness trackers measure health metrics, visit the FDA's guide on wearable health trackers.

Learn more: Smart ring

Frequently Asked Questions

Q: What health metrics does the Ola Esporte Smart Ring track?

A: The smart ring continuously monitors your heart rate, blood oxygen (SpO2), blood pressure, body temperature, sleep quality, step count, and calorie burn. All data syncs wirelessly to the ECTRI app on Android 5.0+ or iOS 10.0+ via Bluetooth 5.3.

Q: Is the smart ring waterproof — can I wear it while swimming?

A: Yes! The ring carries a 5ATM / IP68 waterproof rating, meaning it is designed to withstand swimming and water submersion. You can wear it in the pool, shower, or rain without worry.

Q: How do I charge the smart ring and how long does the battery last?

A: The ring charges via the included magnetic wireless charging case — simply place the ring inside and it charges automatically. A full charge takes approximately 2 hours and provides 3–5 days of continuous use depending on your activity level.

Q: What sizes are available and how do I choose the right one?

A: The ring is available in sizes #8 through #13, corresponding to inner diameters of 18.2mm to 22.3mm. Measure the inner diameter of a ring that fits you well, or use a ring sizing guide to find your perfect fit before ordering.

Q: Is this smart ring compatible with both iPhone and Android?

A: Yes. The Ola Esporte Smart Ring is compatible with Android devices running Android 5.0 and above, and Apple devices running iOS 10.0 and above. Simply download the ECTRI app to get started.