Legacy Owner

Size Selection Guide

$2,699.00

Includes:

  • 18K gold ring set with 1 ct lab-grown dual-diamond
  • black ceramic ring (free bonus)
  • Lifetime Pro membership (no subscription fees, ever)
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Product Video Showcase

Hardware Overview

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Battery Life

Up to 7 days standby on 1 hour charge
Charge once, track for a full week

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Sensor Pro Functions

Optical heart rate (PPG) monitoring with AI Electrocardiogram
(AI ECG, for wellness tracking only, not for medical use)
Blood oxygen (SpO₂), skin temperature, remote family care

Technical Specifications

CPU: Nordic 52832
Memory: 64kb RAM
Battery Capacity: 15-20 mAh (15 ma for ring size below No. 9/20 ma for No. 10 and above)
Heart Rate Sensor: Goodix GH3228+GPSE1602B
G-Sensor: SC-7A20H
Privacy Tech: on-device encryption+differential privacy algorithms
Connectivity: Bluetooth 5.3 Low Energy
Compatibility: iOS 10.0+/Android 9.0+/Apple HealthKit/Google Fit
Water Resistance Level: 5ATM+IP68 deep waterproof
Charging Method: standard magnetic charging (optional charging compartment)
Regulatory Status: FCC/CE applications in progress; FDA 510(k) pre-submission stage
(general wellness product: for general wellness and data contribution purposes; not a substitute for professional medical diagnosis)

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Please Follow The Finger Circumference Measuring Method Below

Tools needed: a strip of paper or thin string, a pen, and a ruler

setp1

Wrap the paper strip around the widest part of the finger you plan to wear the ring on.

setp2

Mark the point where the ends of the paper meet.

setp3

Remove the strip, lay it flat, and measure the distance between the marks with a ruler – this is your finger circumference.

(Body weight is for reference only – please rely on your actual measurement.)

International / American Code Diameter (mm) Finger Circumference (mm) Weight (kg)
No.7 17.2 54.0 45–55
No.8 18.1 56.9 55–60
No.9 18.9 59.5 65–70
No.10 19.8 62.1 70–75
No.11 20.6 64.6 75–80
No.12 21.4 67.2 85–90
No.13 22.2 69.75 95–100