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Black LyfeRing smart ring beside its open black charging case

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LyfeRing features: heart rate, blood oxygen, sleep tracking, steps and calories, IP68 water resistant, 5-7 day battery

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LyfeRing smart rings in all seven colors: black, silver, gold, pink, purple, blue and red

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Hand wearing a black LyfeRing holding a coffee mug at a sunny kitchen counter

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LyfeRing smart ring in black

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LyfeRing smart ring in silver

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LyfeRing smart ring in gold

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LyfeRing smart ring in pink

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LyfeRing smart ring in purple

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LyfeRing smart ring in blue

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LyfeRing smart ring in red

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LyfeRing size guide: how to measure your finger, with a size 6 to 14 chart of diameter and circumference

LyfeRing Smart Fitness Ring

Price: $37.99
Color & charger: Purple + charging case
Ring Size: 9

Product details

Description

Your health, tracked quietly around the clock. LyfeRing is a lightweight smart ring that follows your heart rate, blood oxygen, sleep and workouts, with no screen and no bulky band. Just a ring you'll forget you're wearing.

What it tracks

  • 24/7 heart rate: continuous readings with daily trends in the app
  • Blood oxygen: check your SpO2 any time, at rest or after a workout
  • Sleep: deep, light and awake stages, with a nightly sleep report
  • Cycle tracking: period predictions, reminders and symptom notes
  • Activity: steps, calories and multiple sport modes, including running, walking, cycling, yoga and gym
  • Camera remote: tap the ring to snap photos or start a video on your phone

Why you'll love it

  • Slim, jewelry-style design that works with any outfit
  • Skin-friendly, lightweight alloy that's comfortable to wear day and night
  • 5–7 days of battery on a single charge
  • IP68 water resistant, so you can wear it while washing up, in the shower or in the pool
  • Unisex, in sizes 6–14

Specs

  • Connectivity: Bluetooth 5.0
  • Works with: iPhone (iOS) and Android
  • Battery life: 5–7 days of typical use
  • Water resistance: IP68
  • Sizes: 6–14

Getting started

  1. Download the companion app and create an account.
  2. Long-press the ring's button to power it on, then turn on Bluetooth on your phone.
  3. Find and pair your ring in the app.
  4. Enter your size and profile details, then switch on the tracking features you want.

LyfeRing is a wellness device and isn't intended to diagnose or treat any medical condition.