Fy Ring: The future of health at your fingertips

You need to measure your ring size first!
Order a sizing kit to use when purchasing your ring.
A 2,000 yen discount coupon will be enclosed.

Cutting-edge wearable devices

It boasts high accuracy and no body movement noise.

Longest battery life (10 days)

By linking with the app, you can check your health status at any time.

Japan's top-level precision sensor technology

Real-time PPG measurement mode is available. Verified by national universities and university hospitals.

Portability and comfort

Minimal skin contact area sensor

It is small and lightweight, so it can be worn 24 hours a day without any strain.

It is IP68 waterproof, so you can use it in the bath, shower, dishwasher, or pool.

Designed in Japan

High quality and professional design

We offer flexible service plans and affordable pricing.