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Colmi R03
ColmiSmart ring

Colmi R03

Colmi R03 is a smart ring released in 2024. Key specs: battery life (smartwatch mode) 7 days, water resistance 5 ATM, weight 4.7 g.

4.5Score
Health tracking4.1
Build & durability3.1
price range$25–35Reference price converted from EUR
Year
2024
Brand
ColmiColmi
Popularity
#84 of 891
Model numbers
Colmi R03
7 daysBattery life (smartwatch mode)
5 ATMWater resistance
4.7 gWeight
Spec guide

How it ranks among smart rings of 2024

Compared with smart rings released in 2024. Bars show the share of models it beats.

Specifications

Full specifications

Design & durability
Weight
4.7 g
Water resistance
5 ATM
Water rating (maker)
5 atm / 50 m
Battery
Battery life (smartwatch mode)
7 days
Health sensors
Optical heart rate
Yes
Blood oxygen (SpO2)
Yes
Sensors
heart rate, SpO2, accelerometer

Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.

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