

The Lunar Smart Ring is a fitness tracker built into a ring, with a small digital display set into the band. It counts steps, tracks sleep and heart rate, and pairs with a phone app for daily summaries. The display sets it apart from screenless rings like the Oura Ring, which rely entirely on an app. Owners rate it 4.2 out of 5, praising the convenience of checking stats on the ring itself; the main complaints are battery life and app reliability.
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Owners rate it 4.2 out of 5. Most like the ring format and the on-ring display, while a minority report battery and app problems.
The Lunar Smart Ring is a smart ring with a built-in digital display. It shows your heart rate, steps and fitness levels. It also tracks sleep patterns. No subscription is required.
The ring weighs 3.3 g and has a slim, lightweight build for comfortable wear on the finger. It is water resistant and made for everyday wear. It charges wirelessly, and you can control it with hand gestures.
The ring works with both Android and iOS devices.