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Colmi R03 Smart Ring

Colmi R03 Smart Ring

4.6· 181 ratings

Best price now

$50.00at hstrendsObserved at 10:09 AM

30% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Our take on the Colmi R03 Smart Ring

The Colmi R03 is a budget smart ring in titanium alloy that tracks health and activity data and is rated 5ATM for swimming. It weighs 4.7 g and comes in silver, black and rose gold, with an inner diameter of 18.9 mm. At $50.00 at hstrends as of November 5, 2026, it sits at the low end of its recent range across the three stores that list it new.

Best forShoppers who want a smart ring without paying premium pricesSwimmers who want to keep tracking in the waterWomen looking for a lightweight everyday trackerGift buyers on a tight budget
Pros
  • Titanium alloy body with a light 4.7 g weight
  • 5ATM water resistance covers swimming and showers
  • Three color choices: silver, black and rose gold
  • FCC and CE certified
  • Low $50.00 price at hstrends as of November 5, 2026
Cons
  • One inner diameter (18.9 mm) means fit is not adjustable
  • No width figure published, so bulk on the finger is unclear
  • Charging compartment packaging suggests a proprietary charger
  • No app or subscription details given, so feature depth is unconfirmed

Colmi R03 Smart Ring prices at every store

  • hstrendsNew

    In stock

    $50.00Observed at 10:09 AM
    Visit store
  • Restora DreamNew

    In stock

    $71.00Observed at 10:33 AM
    Visit store
  • eBayNew

    In stockSold by sisy_phus

    $78.83Observed at 10:09 AM
    Visit store

Also available at

  • eBayCheck price at eBay
  • smartizz.comCheck price at smartizz.com
  • Dressinn.comCheck price at Dressinn.com

Colmi R03 Smart Ring price history

Lowest price we've seen: $27.00 on Nov 5 at smartizz.com. Tracked across 5 stores since Nov 5.

What reviewers say

Rated 4.6 out of 5 from 181 ratings, so most buyers are satisfied. The score is high for a ring at this price.

Pros
  • High overall rating of 4.6 out of 5
  • Buyers rate it well for the price
What people mention
  • Value: PraisedThe 4.6 rating from 181 buyers suggests most find it good for the money.

Specifications

Material
Titanium alloy
Metal Type
Titanium
Metal Color
Silver, Black, Rose gold
Jewelry Type
Ring
Certification
FCC, CE
Occasion
Holiday Gift
Theme
Health monitoring, Activity tracking
Shape
Round
Target Audience
Women
Circumference
67.8 mm
Diameter
18.9 mm (inner)
Width
No information
Height
3 cm
Weight
4.7 g
Durability Resistance
5ATM (waterproof)
Durability Strength
Robust, Durable
Care Instructions
Avoid corrosion, Avoid abrasion
Country Of Origin
Australia
Region Of Origin
Mainland China
Packaging Type
Charging compartment

Questions and answers

Is the Colmi R03 worth it at $50?
At $50.00 at hstrends as of November 5, 2026, it is one of the cheapest titanium smart rings. It covers basic health and activity tracking and swimming, but expect fewer features than premium rings.
Can I swim with the Colmi R03?
Yes. It is rated 5ATM, which covers swimming and showering. Avoid hot water and corrosive chemicals, as the care instructions advise.
What size is the Colmi R03?
The listed inner diameter is 18.9 mm, about a US size 9. Check that against a ring you already wear, since the fit is not adjustable.
What comes in the box?
The packaging is listed as a charging compartment, so expect the ring and its charger. No extra bands or accessories are listed.
When is the Colmi R03 cheapest?
The best new price is $50.00 at hstrends as of November 5, 2026, with three stores listing it new. Compare those stores before buying.
Where is the Colmi R03 Smart Ring cheapest?
At hstrends, for $50.00, 30% under what the other stores charge, as of our latest check.
What do buyers say about the Colmi R03 Smart Ring?
Rated 4.6 out of 5 from 181 ratings.
Where can I buy the Colmi R03 Smart Ring?
5 stores we checked sell it, including Restora Dream, hstrends, eBay, smartizz.com, Dressinn.com.

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