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

Meet the Ola Esporte R13 Smart Ring — the sleek, stainless steel wearable that puts comprehensive health tracking right on your finger. Whether you're hitting the gym, logging a swim, or simply keeping tabs on your daily wellness, the R13 packs powerful sensors and a crisp display screen into an ultra-thin 2.7mm profile you'll barely notice you're wearing.

Made in Mainland China.

⚠️ Disclaimer: This device is intended for general fitness and wellness tracking purposes only. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Always consult a qualified healthcare professional for medical advice.

Why You'll Love the R13 Smart Ring

🩺 All-in-One Health Monitoring

The R13 continuously tracks your heart rate, blood oxygen levels, blood pressure, and body temperature, while its advanced sleep analysis monitors both sleep duration and quality — giving you a clear picture of your overall wellness trends, day after day.

⚡ Long Battery Life & Rapid Charging

A 16mAh battery delivers up to 3–5 days of usage on a single charge, and the included magnetic cable recharges the ring fully in just 2 hours — so you spend less time charging and more time moving.

💪 Sleek, Durable & Waterproof

Crafted from premium stainless steel with a 5ATM / IP68 waterproof rating, the R13 is built to keep up with your active lifestyle — whether you're washing your hands, swimming laps, or caught in the rain. Available in sizes #8 through #13 (18.2mm–22.3mm inner diameter) to ensure a comfortable, secure fit.

📲 Smart Connectivity & Multi-Sport Modes

Bluetooth 5.3 (BLE 5.3) keeps the R13 seamlessly synced with the ECTRI app (Android 5.0+ / iOS 10.0+). Beyond health tracking, enjoy features like remote camera control, motion-sensing games, gesture interaction, and 10+ dedicated sport modes — all from your finger.

🎯 Precision Sensors You Can Trust

The R13 is equipped with the high-accuracy SC7A20H accelerometer and the HX3918 heart rate sensor, delivering reliable, consistent readings for fitness and wellness data you can depend on.

Key Features at a Glance

• ✅ Display screen with touch interface
• ✅ Heart rate, blood oxygen, blood pressure & body temperature tracking
• ✅ Advanced sleep analysis (duration + quality)
• ✅ Step count & calorie tracker
• ✅ 10+ sport modes
• ✅ Remote camera control & gesture interaction
• ✅ Motion-sensing gaming
• ✅ BLE 5.3 wireless connectivity
• ✅ 5ATM / IP68 waterproof rating
• ✅ Wireless charging case included
• ✅ Stainless steel build — ultra-thin at 2.7mm
• ✅ CE & FCC certified
• ✅ Compatible with Android 5.0+ & iOS 10.0+

Technical Specifications

A Thoughtful Gift for Any Occasion

Looking for a standout gift? The R13 Smart Ring makes a fantastic birthday or celebration present for the tech-savvy person in your life — for men and women alike. Its elegant stainless steel design looks as good as it performs.

Explore More Smart Tech

Pair your new smart ring with other connected accessories from our store:

• 1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC & TV
• 1.8M USB-C to HDMI Cable 4K – MacBook, Laptop & Phone

For guidance on how wearable fitness trackers compare and what health metrics to consider, visit the CDC Physical Activity resource centre.

Frequently Asked Questions

Q: Is the R13 Smart Ring compatible with iPhone (iOS)?

A: Yes! The R13 Smart Ring is compatible with both Android 5.0+ and iOS 10.0+ devices. Simply download the ECTRI app, pair via Bluetooth, and you're ready to start tracking your health and fitness data.

Q: How waterproof is the R13 Smart Ring — can I wear it swimming?

A: The R13 carries a 5ATM and IP68 waterproof rating, making it suitable for swimming, showering, and everyday water exposure. It is designed to withstand water pressure at depth, so you can keep it on during most aquatic activities.

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

A: The R13's 16mAh battery provides approximately 3 to 5 days of typical usage. When it's time to recharge, simply place it on the included wireless charging case or use the magnetic cable — a full charge takes around 2 hours.

Q: What sizes are available for the R13 Smart Ring?

A: The R13 is available in six sizes: #8 (18.2mm), #9 (19mm), #10 (19.9mm), #11 (20.7mm), #12 (21.5mm), and #13 (22.3mm) inner diameter. We recommend measuring your finger carefully before selecting your size to ensure a comfortable fit.

Q: What health metrics does the R13 Smart Ring track?

A: The R13 monitors heart rate, blood oxygen (SpO2), blood pressure, and body temperature. It also tracks steps, calories burned, and sleep quality (including sleep duration and stages), and syncs all data to the ECTRI app on your smartphone.