Wrap
Wrap a non-elastic string or a thin strip of paper around the base of the finger where you plan to wear the ring.
Chrome Edge Smart Ring
Chrome Edge Smart Ring
Regular price
$74.99
Regular price
$74.99
Sale price
$124.99
Unit price
per
Free App
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Easy Returns
Not satisfied? Return it hassle-free
Free Shipping
Tracked delivery included with every order
Father & Daughter
Find Your Perfect Ring Size
Choosing the correct ring size is quick and easy. Follow the simple steps below to measure your finger accurately from home and find the best fit before placing your order.
How to Measure Your Ring Size
Fit
Make sure it fits comfortably. It should be snug, but not too tight, and should slide over your knuckle.
Mark
Mark the point where the two ends meet or overlap using a pen or pencil.
Measure
Lay it flat and measure the distance from the starting point to the mark in millimeters. Repeat 2–3 times.
Tips for Best Accuracy
Timing Matters
Measure your finger at the end of the day, when it is naturally slightly larger.
Avoid Cold Hands
Do not measure when your hands are cold, as fingers may temporarily become smaller.
Between Sizes?
If your measurement falls between two sizes, choose the larger size for a more comfortable fit.
Ring Size Chart
| US Size | Inner Diameter | Finger Circumference |
|---|---|---|
| US Size 6 | Inner Diameter 16.5 mm (0.65 in) | Circumference 51.8 mm (2.04 in) |
| US Size 7 | Inner Diameter 17.3 mm (0.68 in) | Circumference 54.3 mm (2.14 in) |
| US Size 8 | Inner Diameter 18.1 mm (0.71 in) | Circumference 56.9 mm (2.24 in) |
| US Size 9 | Inner Diameter 18.9 mm (0.74 in) | Circumference 59.4 mm (2.34 in) |
| US Size 10 | Inner Diameter 19.8 mm (0.78 in) | Circumference 62.2 mm (2.45 in) |
| US Size 11 | Inner Diameter 20.6 mm (0.81 in) | Circumference 64.6 mm (2.54 in) |
| US Size 12 | Inner Diameter 21.4 mm (0.84 in) | Circumference 67.2 mm (2.65 in) |
| US Size 13 | Inner Diameter 22.2 mm (0.87 in) | Circumference 69.7 mm (2.74 in) |
If you are unsure which size to choose, contact us before placing your order. We will help you find the best fit at support@father-and-daughter.com .
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Description
Description
Features:
- Comprehensive Health Monitoring: Tracks heart rate, blood oxygen, blood pressure, and sleep quality.
- Efficient Connectivity: Features Bluetooth Version BLE 5.1 for stable, low-energy connection.
- Quick Charging & Long Battery Life: 18 mAh battery provides 5–7 days working time with only a 0.5-hour charging time.
- Durable & Waterproof: Made with Stainless Steel and rated IP68 for water and dust resistance.
- Advanced Sensors: Equipped with Pivart 2860 CPU and HX3605 Heart Rate/Blood Oxygen/Blood Pressure sensors.
- Multi-Sport & Remote Modes: Supports multiple sport modes and features a gesture control function (e.g., for photo/e-book).
- Wide Compatibility: Supports Android 6.0 and above and iOS 11.0 and above.
Specifications:
- CPU: Pivart 2860
- Material: Stainless Steel
- Bluetooth Version: BLE 5.1
- Battery Capacity: 18 mAh
- Working Time: 5–7 days
- Charging Time: 0.5 H
- G Sensor: QMA6100P
- Heart Rate Sensor: HX3605
- Waterproof Level: IP68
- Charging Requirement: Charging 1 A or less
- App: ECTRI
- Operating Temperature: 0 °C to 45 °C
- Storage Temperature: -10 °C to 55 °C
- ESD Protection: Electrostatic standard (Contact) (Air)
- Surge Protection: 12 V
- Charging Temperature Protection: 45 °C
- Net Weight (Ring only): 5.5 g
- Gross Weight (with full gift box & accessories): 76 g
Shipping & Returns
Shipping & Returns
Shipping is 100% FREE with traking — no minimum purchase required
Processing time: 1–3 business days
Estimated delivery:
- USA – 5–9 business days (USPS)
- UK – 4–8 business days (Royal Mail & Hermes)
- Other – 7–12 business days
Delivery estimates may vary. All orders are dispatched within reasonable timeframes under consumer law.
Returns & Exchanges: 14-day return or exchange policy. Just contact us — it’s easy.
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
SLEEP TRACKING
WATERPROOF
MULTI-SPORT MODES
LONG BATTERY
FREE APP
Track Your Health
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Need Help?
Which finger should I wear my smart ring on?
The best spot is the index finger of your non-dominant hand. It gives the most accurate readings and comfort. The middle or ring finger also works well — just avoid the thumb or pinky for less reliable tracking.
What phones are compatible?
Our smart jewelry works with most modern smartphones — any Android device running version 5.1 or higher and iPhones with iOS 10.0 or later.
Just connect through the companion app via Bluetooth 5.0 or newer, and you’re ready to go.
What can the ring track?
The smart ring monitors your heart rate, blood oxygen (SpO₂), sleep quality, steps, calories, distance, and stress levels (HRV) .
It also supports multiple sport and workout modes, helping you track your activity and recovery throughout the day.
Some features may vary slightly depending on the model.
What materials are used?
Most of our smart rings are made with a stainless-steel shell and a hypoallergenic finish, with internal electronics fully sealed and sweatproof.
You can find detailed material information in the product description on each item’s page.
When Will I Get My Order?
All orders are usually shipped within 1–3 business days, and you’ll receive a confirmation email with tracking details once your package is on its way.
On average, it takes 5–8 business days for your jewelry to arrive from the time you place your order.
What if I don’t like it? Can I return it?
No worries — we offer a 14-day return policy. Just contact us, and we’ll make the process quick and easy.
