Quantora | Smart ring for blood pressure, heart rate, and sleep monitoring | Waterproof

Yes. The Quantora Ring is ideal for everyday activities like walking, running, and yoga, and is water-resistant to 50 meters. However, strength training or strenuous physical work may increase the risk of color fading. Due to pressure limits, the ring is not suitable for diving deeper than 50 meters.

How accurate is the Quantora Ring in health measurement?

The Quantora Ring has been clinically tested by Phillips Biosensing with 98.2% accuracy compared to medical-grade equipment. We also perform internal benchmarks against other "gold standard" devices.

Can I only wear the Quantora Ring while sleeping?

The Quantora Ring is designed for 24/7 use, so you can track your health, sleep, and activity all day and night.

How does the Quantora Ring measure sleep quality?

The ring records heart rate , temperature , and movement during your sleep and uses this information to calculate sleep stages such as light sleep , deep sleep , and REM sleep . The app then provides a sleep score and insights, helping you understand patterns and improve your sleep.

Does the Quantora Ring need to be worn in a specific direction?

For optimal accuracy, the sensor side —identifiable by small resin bumps on the inside—should be positioned against the palm of your finger. This ensures continuous contact between the sensors and your skin. The external ridge helps you intuitively align the ring.

Can the Quantora Ring accurately track menstrual cycles and fertility?

Yes. The Quantora Ring supports period and ovulation tracking via temperature fluctuations and HRV (heart rate variability) patterns. It is not a medical device for fertility, but it is effective for health awareness and cycle prediction.

Does the Quantora Ring provide vibration notifications?

Not currently. The Quantora Ring doesn't offer vibrating notifications for alarms or messages. It's purely a wellness device , designed for distraction-free monitoring.

What is the operating temperature range of the Quantora Ring?

Optimal operation between -10°C and 45°C (14°F–113°F). Store between -20°C and 60°C (-4°F–140°F) to maintain performance.

What is the humidity tolerance of the Quantora Ring?

Designed for 10%–95% relative humidity (non-condensing), suitable for most environments.

Is the Quantora Ring scratch resistant?

The ring is scratch-resistant , but not scratch-proof . Micro-wear can occur with rough use—especially during strength training where the ring rubs against metal surfaces. In such situations, it's best to use a silicone cover .

How long does the Quantora Ring's battery last?

The charging case provides up to 30 days of battery life, giving you uninterrupted health monitoring. Charging is quick and easy with the included cable. Actual battery life varies with usage and settings, but even with regular use, you'll get several days between charges.

How long does it take to charge the Quantora Ring?

A full charge takes about 2 hours (120 minutes) . Connect the charging cable to the ring and use a USB port or AC adapter. The advanced charging technology ensures a fast and efficient experience.

Can the Quantora Ring be used by multiple people?

No. The ring is designed for personal use . Because the data and insights are personalized to the individual wearer , sharing may result in inaccurate measurements and interpretations. For the most reliable experience, wear the ring only yourself .

Yes. The Quantora Ring supports integration with Apple Health and Google Fit . More partnerships with third-party health and fitness apps are planned for future updates.

Which app do I need for the Quantora Ring?

Download the “Quantora Ring: Rise to Brilliance” app from the App Store or Google Play to pair your ring and view detailed health statistics.

Does the Quantora app require a subscription?

No. The Quantora app is completely free to use—no subscription fees and no hidden charges. You get access to all features from day one.

Can I use multiple Quantora Rings at the same time?

No. To ensure accurate, personalized measurements , only one Quantora Ring can be linked to your account at a time.

Yes. The Quantora Ring is safe for continuous daily wear. It's made of medical-grade, hypoallergenic materials and designed for 24/7 comfort , including during exercise and sleep.

Is the Quantora Ring a certified medical device?

No. The Quantora Ring is not a medical device . It's a health ring that provides insights into things like heart rate, sleep phases, and activity level . For medical diagnoses, consult a physician .

Is the Quantora Ring eligible for HSA/FSA?

Yes, soon . We're completing the final compliance checks and will share updates on our website soon.

(HSA/FSA = US health savings accounts for medical expenses.)

Can I wear the Quantora Ring on a tattooed finger?

Yes. The advanced PPG (photoplethysmography) sensors are calibrated to compensate for slight pigmentation variations while still delivering accurate measurements .

Are there any age or health restrictions for use?

The Quantora Ring is intended for adult users and is not recommended for young children (size restrictions apply). If you have specific medical conditions, consult your doctor first .

Can I wear the Quantora Ring with a pacemaker or ICD?

The ring only transmits low-power Bluetooth , which is generally considered safe. If you have a pacemaker or ICD (implantable cardioverter defibrillator), always consult your healthcare provider before using a Bluetooth ring.

Does the Quantora Ring emit harmful radiation?

No. The ring uses Bluetooth Low Energy (BLE) , which complies with international safety standards and poses no known health risks.

Is the Quantora Ring protected against electrostatic discharge (ESD)?

Yes. The ring is designed with ESD-safe materials and protective layers and meets international standards for durability and safety of electronics .

You can change or cancel your order within 24 hours of placing it. Please contact us as soon as possible.