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TK Smart Ring

TK Smart Ring


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Buy 1
SAVE 25%
R 1,499.99 R 1,999.99
TK BioSync Smart Ring (Color)/TK BioSync Smart Ring (Size)
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Most Popular
SAVE 25%
R 2,999.99 R 3,999.98
TK BioSync Smart Ring (Color)/TK BioSync Smart Ring (Size)
#1
#2
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Best Value
SAVE 33%
R 3,999.99 R 5,999.97
TK BioSync Smart Ring (Color)/TK BioSync Smart Ring (Size)
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Secure check out. SA shipping. 30 day—guaranteed. This offer is for limited time only! Buy before price increase.

  • Premium Quality

    Exceptional craftsmanship with durable materials and attention to every detail.

  • Excellent Value

    Stylish, functional accessories that deliver great value without compromising on quality.

  • Highly Recommended

    A trusted choice loved by customers who appreciate both style and performance.

Your Health. On Your Finger.

The TK BioSync Performance Ring tracks your health 24/7—without the bulk of a smartwatch or monthly subscriptions.

What It Tracks

❤️Heart Rate & HRV
🩸 Blood Oxygen (SpO₂)
😴 Sleep & Recovery
🏃 Steps, Calories & Activity
🏅 Multiple Sports Modes
👆 Gesture Control

Built for Everyday Life

✔️ 5+ Day Battery Life
✔️ Water Resistant up to 6m
✔️ Lightweight & Comfortable

Smarter Insights. One Simple App.

Monitor your health, workouts, and recovery through the Luck Ring app with clear, actionable insights.

No Subscriptions. Ever.

One purchase. Lifetime access. No monthly fees.

Coming Soon — Join the waitlist and be the first to know when when new launch.

View full details

Find My Ring Size

How to Measure Your Finger

  1. Wrap a strip of paper, string, or measuring tape around the finger where you'll wear your ring.
  2. Mark where the ends meet.
  3. Measure the length in millimetres (mm).
  4. Match your measurement to the size chart below.
Finger Circumference (mm) TK Ring Size
54.3 mm 7
56.2 mm 8
57.8 mm 9
62.6 mm 10
64.6 mm 11
66.4 mm 12
69.4 mm 13
💡

For the most accurate fit, measure your finger in the evening when your fingers are at their normal size. If you are between sizes, choose the larger size. To ensure accuracy do measurements more than once.