You twist the ring onto your finger before bed and the green sensor light blinks once against your skin.

This is a smart ring with a glossy white enamel band painted in floral patterns, lotus and daisy shapes in coral, blue and green, traced with brown swirls over a rose gold rim. The outer face reads as jewelry, while the inside hides the working part: a black circuit ring with gold contacts, a small optical window and a green sensor LED that sits flush against the underside of your finger.

It tracks your heart rate, blood oxygen, sleep stages and daily steps, then sends the numbers to a companion app on your phone. The electroplated surface stays polished through everyday handwashing and typing, the band weighs about 60 grams, and a 20mAh cell charges from the included cable so you can wear it day and night without a screen on your wrist.

Key Benefits

• Heart rate and oxygen The optical sensor on the inner band reads pulse and blood oxygen straight from the finger, no chest strap or watch needed.
• Sleep stages tracked Wear it overnight and the app breaks the night into deep, light and rem time with a total sleep figure each morning.
• Step and activity count Movement through the day is logged as steps and exercise data, so the ring doubles as a quiet fitness tracker.
• Floral enamel face Painted enamel flowers over a rose gold rim keep the tech hidden and the look closer to jewelry than to a gadget.
• Screen free wear With no display to charge each day, the small cell carries pulse, oxygen and sleep tracking from morning through the night.
• Phone app sync Pairs with Android and iOS phones to store trends and trigger remote shutter photos from your hand.

Best for: anyone who wants health and sleep data without a bulky watch, and who likes a patterned ring they can wear to work or out for the evening.

Why It Works

The sensor sits where the signal is cleanest, snug against the base of the finger, so heart rate and oxygen readings come through without the slack a wristband leaves. Because there is no screen to charge constantly, the small cell carries the ring through a full day and night of tracking, and the enamel face means the device passes as an accessory rather than a fitness band.

Quick Product Facts: Form: finger-worn smart ring; Tracks: heart rate, blood oxygen, sleep, steps and exercise; Band weight: about 60 grams; Battery: 20mAh, charges from the included cable; Compatible: Android and iOS; Sizes: 6 to 13; Finish: floral enamel over rose gold plating; Options: eight enamel flower patterns; In the box: ring, charging cable, user manual, box.

How It Fits Your Routine

Slide it on in the morning and forget it. The ring counts steps and reads your pulse through the day while looking like an enamel band rather than a tracker, so it carries from the desk to dinner without a change.

At night it does its quietest work. Keep it on through sleep and the app maps deep, light and rem hours, then hands you a sleep score with your coffee. A short session on the charging cable tops the cell back up before the next wear.

When the enamel needs freshening, a soft dry wipe brings back the shine, and the electroplated surface shrugs off the small knocks of daily handwashing and typing.

FAQ

Where is the sensor? On the inside of the band. A small optical window and a green LED sit against the underside of the finger to read heart rate and blood oxygen.

Does it work with my phone? It pairs with both Android and iOS phones through the companion app, where the heart rate, oxygen, sleep and step data is stored.

How do I pick a size? Sizes run from 6 to 13. Measure your finger against a standard ring sizer and choose the matching number for a snug fit that keeps the sensor in contact.

How is it charged? Through the included charging cable. The 20mAh cell tops up in a short session, so you can wear it through the day and overnight.