Quick facts
- Brand: FKGZJF
- Price: USD 59.98
- Rating: 4.70 (10 reviews)
The FKGZJF Smart Ring is a discreet fitness-and-wellness tracker that keeps your stats on your phone, not on your finger—thanks to its no-display design and companion Q Ring App. It’s built for everyday wear and gives you a simple way to check trends like heart rate, blood oxygen, HRV, stress level, sleep patterns, and daily activity.
You can view the current price and full details on Amazon here.
If you’re comparing smart rings for iPhone and Android, this one stands out for its lifetime access to the Q Ring App with no subscription fee. It also includes both a magnetic charging cable and a portable charging case (400 mAh) designed to extend time between wall charges.
Fit note: The brand recommends measuring your finger with the string method shown in the listing images and comparing to the size chart. A slightly tighter measurement (or choosing one size smaller) may help keep the ring secure.
- 24/7 tracking for heart rate, blood oxygen, HRV, and stress level in the Q Ring App
- Automatic sleep tracking with charts for sleep stages (deep/light) and sleep timing
- All-day activity tracking for steps, distance, and calories burned
- 100+ sport modes with workout details shown in the app
- No subscription required for the Q Ring App (lifetime access)
- Up to 3–5 days of ring battery life per charge (about 2 hours), plus portable charging case
- IP68 waterproof rating for everyday wear
- Remote photo capture control via the app (shake to trigger)
- Works with smartphones on Android 4.4+ or iOS 8.4+
In the box you’ll get the smart ring, charging cable, user manual, and power case—making it a practical pick for anyone who wants ring-style tracking without ongoing app fees.
