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Ring Health Tracker for Women Men, Fit Ring with Heart Rate,Blood Oxygen, Stress, Sleep Monitor,Calories, Step Counter, IP68 Waterproof Smart Ring for iPhone & Android, No Subscription Fee (Gold, 8#) Gold 8#

Quick facts

  • Brand: Tiantianka
  • Price: USD 57.98
  • Rating: 4.60 (30 reviews)

If you want everyday wellness and activity insights without wearing a bulky watch, the Tiantianka Smart Ring is an easy-to-wear alternative. It’s designed to monitor key metrics like heart rate, blood oxygen, stress, and sleep, while also handling daily activity tracking (steps, calories, and distance) through the companion app.

This version comes in Gold and US ring size 8. If you already know your US ring size, the brand recommends ordering the same size; if you’re unsure, consider using the Tiantianka sizing kit for the best fit and comfort.

For training days, you can enable sport modes (including running, cycling, jump rope, walking, hiking, yoga, dancing, and golf) to view workout details in the app—such as duration, heart rate, speed, calories, and route via smartphone GPS.

A quick charge helps keep you moving: the ring is rated for 3–5 days of use per charge (about 2 hours to recharge). The included 400 mAh charging case can recharge the ring multiple times for extended time away from outlets. Plus, there are no subscription fees for the app.

  • 24/7 tracking for heart rate, blood oxygen, stress, and sleep with app dashboards (daily/weekly/monthly)
  • Activity tracking for steps, calories burned, and distance traveled
  • Multiple sport modes with workout details; route tracking uses GPS via your smartphone
  • IP68 waterproof rating for worry-free daily wear
  • 3–5 day battery life per charge; charging case included for extra recharges
  • No subscription fees for the companion app
  • Broad phone compatibility: Android 4.4+ and iOS 8.4+; connects via Bluetooth

What’s included: smart ring, charging case (400 mAh), magnetic USB charge cable, Type‑C cable (for the case), and instructions.