If you like the idea of tracking daily activity without wearing a watch, the PJIVE R9 Smart Ring offers a streamlined way to stay on top of movement, sleep, and key wellness metrics. It pairs with the ECTRI app so you can check trends and reports over time, and it’s designed for all-day wear with a thin, lightweight feel.
You can view the current price and full details on Amazon here.
Beyond fitness basics like steps and distance, this ring supports multiple sports modes (including running, cycling, walking, skipping, and swimming) and logs calories and activity details. It also includes handy gesture controls—such as remote photo capture and media controls—so you can trigger common phone actions with simple finger motions.
With IP68 waterproofing, you can keep it on for everyday water exposure like handwashing, bathing, and swimming. Charging is quick, and you can choose between charging via cable or using the included charging box—making it easy to top up and get back to tracking.
24/7 sensor-based tracking for heart rate, blood oxygen, blood pressure, and sleep stages (deep/light/REM/wake) via the ECTRI app
Multiple sports modes with activity stats including steps, distance, calorie consumption, and activity tracking
Air gesture controls for remote photos, e-book page flipping, short video switching, and music play/pause
Fast charging (about 60 minutes) with 3–5 days typical use and up to 7–10 days standby; two charging methods (cable or box)
IP68 waterproof rating and a lightweight epoxy resin + stainless steel build for comfortable all-day wear
Compatible with Android 6.0+ and iOS 11.0+ devices; Bluetooth connectivity with GPS via your smartphone
Note: This ring provides tracked metrics for informational use in the app and can help you monitor trends over time.
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