ColMi i31

Name: ColMi i31
Brand: ColMi

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Outdated Product

Type: smartwatch; Interface: Bluetooth v5.0; notifications; sound signal; vibration; built-in speaker; heart rate monitor; women's calendar; Touch screen; Shape: round; Type: colour; Display type: AMOLED; Display("): 1.31; CPU: Realtek RTL8763E; accelerometer; Device charging: magnetic

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ColMi i31

2023phone calls period tracker

Display:1.31 ", 466x466 px, AMOLED

Body:plastic, IP67

Health:heart rate monitor, oxygen in the blood

Always On Display function. Ability to make Bluetooth calls.

All specifications

Specifications i31

Main
Type	smartwatch
Interface	Bluetooth v5.0


Telephony
Calls and alerts	notifications sound signal vibration built-in microphone built-in speaker


Sports and tourism
Possible measurements	heart rate monitor blood oxygen level number of steps distance traveled calories burned activity time sleep tracking women's calendar
Sports modes	106


Display
Touch screen
Type	colour
Display type	AMOLED
Size	1.31 "
Screen resolution	466x466 px
PPI	356 ppi
Bezel-less

Hardware
CPU model	Realtek RTL8763E
Memory storage	128 MB
Extra features	accelerometer


Power source
Device charging	magnetic
Source of power	Li-Ion
Battery capacity	250 mAh
Operating time (normal mode)	5 days


Case and strap
Material	plastic
Strap	quick release
Strap Options	rubber/silicone
Clasp options	classic buckle
Wrist strap	145 – 202 mm


General
Protection rating	IP67
Dimensions (without strap)	44.5x44.5x10.4 mm
Official Website	colmi.com
Added to E-Catalog	August 2023

E-Catalog UK editor, Smartwatches & Fitness Trackers

Serhii Shkurupii, edited 05.11.2025

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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