The NFC Smart Ring is a wearable product with heart rate measurement and motion detection which can monitor the health and exercise status of the human body in real time.
• NFC sensing supported and can be used as a smart door lock key, car key and other unlocking devices
• Real-time heart rate monitoring and physical health monitoring
• Motion status detection to record the amount of exercise
• 50 meters waterproof designed for extreme sports use
• Wireless charging
• Battery lasts up to a week