Oura Horizon Smart Ring (3rd Gen) Size 13 - Silver

Product Description

Pinpoint accuracy
The Oura's research-grade sensors track it all - temperature-trends, heart rate, daily activity and recovery, sleep quality, menstrual cycles, even stress.

Always wearable
Tough enough to withstand altitude, Oura tracks your biometrics wherever adventure takes you.

Bedtime guidance
The Oura reminds you when to start winding down so you can improve your sleep quality.

Daily sleep score
The answer to how did you sleep last night. Your score is based on your sleep stages, temperature trends and heart rate.

Blood oxygen (SpO2) sensing
By detecting your blood oxygen levels at night, Oura can tell if you're experiencing any breathing disturbances.

Temperature trends
The Oura tells you when your temperature trends or heart rate are higher than normal.

Rest and recovery insights
The Oura will provide suggestions for recovery if you may be getting sick.

Daily activity score
Know if you're giving your body the activity and recovery it needs to maintain a healthy balance. Calculated by analyzing your activity levels, the intensity of each activity, and your recovery time.

Automatic activity detection
The Oura tracks your movement, steps, heart rate, and more. Discover your ideal balance between activity and recovery to reach your personal fitness goals.

Daily readiness score
Know when to push it and when to take it easy. Your Readiness Score tells you how energized you are using your temperature trends, heart rate, sleep, etc.

24/7 heart rate monitoring
See how your heart rate changes, day and night. See how your body responds to daily habits, meals, stress, and environment.

Heart rate variability
The Oura tracks your HRV to tell you if you're stressed, sick, or need to take a break to give your body the rest it needs.

Period prediction
The Oura predicts your period by monitoring the changes from the most reliable source - your temperature.

In-depth cycle insights
Understand what your body needs, at any time of the month. The Oura Ring uses temperature trends to unlock more accurate insights about your menstrual cycle.

Daytime stress
See your own stress patterns based on changes in your temperature, heart rate variability, and sleep.

Stress resilience
The Oura helps you build your ability to cope with longer-term stress and bounce back.

Features:
Sensors
Green LEDs (optical heart rate)
Red LED (blood oxygen)
Infrared Photoplethysmography (PPG)
Skin temperature sensors (negative temperature coefficient)
Photodiodes
3D Accelerometer
Data
Bluetooth Low-Energy
General
Compatible with iOS and Android
Airplane Mode
7.9 x 2.55 mm
4 to 6 g