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Colmi Μ31 Smartwatch with Heart Rate Monitor (Black)
Smartwatches

Colmi Μ31 Smartwatch with Heart Rate Monitor (Black)

This smartwatch is ideal for your daily life, offering a multitude of features that make your life easier. It is compatible with Android and iOS, so you can pair it with your smartphone, ensuring that...

This smartwatch is ideal for your daily life, offering a multitude of features that make your life easier. It is compatible with Android and iOS, so you can pair it with your smartphone, ensuring that you have access to many useful capabilities. It connects wirelessly via Bluetooth to other devices, such as headphones, providing convenience in use.

Its...

See full description See full description

  • Battery Life

    Battery life shows how many days the smartwatch can operate without charging.


    It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


    For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


    Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


    The value is especially meaningful when comparing products from the same manufacturer.

  • Display Type

    TFT

    Advancements in LCD technology offer greater clarity and even higher brightness in sunlight compared to standard LCDs, while maintaining realistic color representation.

    However, they consume more energy compared to other types of screens and are heavier and bulkier.

  • Waterproof

    Water Contact

    The smartwatch is designed to withstand simple contact with water, such as rain droplets or sweat. It is the ideal choice for daily use, offering safety and functionality even in wet conditions.
  • See all
Product report

Description

Description

This smartwatch is ideal for your daily life, offering a multitude of features that make your life easier. It is compatible with Android and iOS, so you can pair it with your smartphone, ensuring that you have access to many useful capabilities. It connects wirelessly via Bluetooth to other devices, such as headphones, providing convenience in use.

Its built-in sensors include a pedometer, accelerometer, and heart rate monitor, which track your activity on a daily basis. Additionally, it monitors your sleep and recognizes any issues with sleep quality.

The touchscreen measures 1.3 inches and is TFT type, offering a clear and bright display, even in sunlight. It is suitable for various sports activities and gyms, with the ability to record performance statistics.

This smartwatch is also resistant to simple contact with water, so you don’t have to worry about raindrops or sweat during your workouts. Its black color gives it an elegant and timeless appearance.

  • Compatible with Android and iOS, facilitating connection with smartphones.
  • Supports wireless connection via Bluetooth with other devices.
  • Equipped with pedometer, accelerometer, and heart rate sensors.
  • Tracks sleep quality for better health.
  • 1.3-inch TFT touchscreen for a clear visual experience.
  • Suitable for sports activities and gym.
  • Water-resistant to simple contacts.
  • Stylish black design.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
2019
Screen Size
1.3 "

Screen Size

"The design and size of the casing affect how each screen size appears on the wrist. Most smartwatches have screens of 1.4-1.5 inches."
Screen Resolution
240x240 pixels
Screen Type
TFT

Screen Type

TFT

Advancements in LCD technology offer greater clarity and even higher brightness in sunlight compared to standard LCDs, while maintaining realistic color representation.

However, they consume more energy compared to other types of screens and are heavier and bulkier.
Compatible Operating System
Android, iOS

Compatible Operating System

The smartphone must be compatible with the watch. Apple Watches only connect with iPhones, while some others can connect with both Android and iPhones, but some functions may not be fully supported.
Touch Screen
Yes
Connection
Bluetooth

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Strap
Silicone

Features & Functions

Features & Functions
Caller ID, Email, SMS, Application / Calls Notification

Features & Functions

Caller ID

The smartwatch can display the name of the contact who is calling.

Email
You can read the emails you receive on your smartwatch.
SMS
The smartwatch can display SMS messages.
Application / Calls Notification

The smartwatch has the ability to transfer notifications from our mobile phone applications such as receiving SMS, Email or a notification from a social media application. Depending on the smartwatch, we may also be able to read it directly from it.
Use
Misc Sports / Gym

Use

The smartwatch has the ability to record the corresponding activity and produce relevant statistics.

Additional Specifications

Sensors
Pedometer, Accelerometer, Heart Rate, Sleep Monitoring

Sensors

Pedometer

Recording steps and distance.

Accelerometer
This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when wearing it.
Heart Rate

Embedded heart rate monitor.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)
ATM Rating
-

ATM Rating

The ATM rating on smartwatches indicates their level of water resistance, which tells how well the watch can withstand exposure to water and various pressure levels.

3 ATM (30 meters): Suitable for everyday splashes, rain, and hand washing.

5 ATM (50 meters): Light swimming, showering.

10 ATM (100 meters): Swimming, snorkeling, water sports.

15 ATM (150 meters): Advanced swimming, water sports.

20 ATM (200 meters): Diving, deep water activities.

50 ATM (500 meters): Professional diving, excellent water resistance.
Waterproof
Water Contact

Waterproof

Water Contact

The smartwatch is designed to withstand simple contact with water, such as rain droplets or sweat. It is the ideal choice for daily use, offering safety and functionality even in wet conditions.
MIL-STD-810
No

Battery

Battery Capacity
180 mAh

Battery Capacity

Most smartwatches have a battery capacity of around 200mAh. 2. The size of the battery is not always indicative of the autonomy, as this largely depends on the features of the smartwatch and the functions we have active. 3. For example, a smartwatch with a large color touch screen and 24-hour heart rate monitoring will often require charging even if it has a larger battery than a simpler smartwatch.
Battery Life
7 days

Battery Life

Battery life shows how many days the smartwatch can operate without charging.


It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


The value is especially meaningful when comparing products from the same manufacturer.
Standby Time
12.5 days

Standby Time

The amount of time a smartwatch can operate in standby mode, simply connected to a mobile phone with one charge. A typical average is 12 days, but it depends on what each manufacturer defines as standby mode. Size makes sense mainly in comparing products from the same manufacturer.

Dimensions

Weight
47 gr

AI Features

AI Voice Assistant
No
AI Training Coach
-
AI Health Insights
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (1)

Reviews

2.0
1
2.0
Review this product
  1. 5 stars
    0
  2. 4 stars
    0
  3. 3 stars
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  4. 1
  5. 1 star
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  • 2
    KostasPapasGR

    • Battery life
    • Moderate difficulty syncing
    • Moderate number of features
    • Construction quality
    • Screen
    • Durability
    • Value for money
    • Comfort
    • Inaccuracy in measurements

Description & Specifications

This smartwatch is ideal for your daily life, offering a multitude of features that make your life easier. It is compatible with Android and iOS, so you can pair it with your smartphone, ensuring that you have access to many useful capabilities. It connects wirelessly via Bluetooth to other devices, such as headphones, providing convenience in use.

Its built-in sensors include a pedometer, accelerometer, and heart rate monitor, which track your activity on a daily basis. Additionally, it monitors your sleep and recognizes any issues with sleep quality.

The touchscreen measures 1.3 inches and is TFT type, offering a clear and bright display, even in sunlight. It is suitable for various sports activities and gyms, with the ability to record performance statistics.

This smartwatch is also resistant to simple contact with water, so you don’t have to worry about raindrops or sweat during your workouts. Its black color gives it an elegant and timeless appearance.

  • Compatible with Android and iOS, facilitating connection with smartphones.
  • Supports wireless connection via Bluetooth with other devices.
  • Equipped with pedometer, accelerometer, and heart rate sensors.
  • Tracks sleep quality for better health.
  • 1.3-inch TFT touchscreen for a clear visual experience.
  • Suitable for sports activities and gym.
  • Water-resistant to simple contacts.
  • Stylish black design.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
2019
Screen Size
1.3 "

Screen Size

"The design and size of the casing affect how each screen size appears on the wrist. Most smartwatches have screens of 1.4-1.5 inches."
Screen Resolution
240x240 pixels
Screen Type
TFT

Screen Type

TFT

Advancements in LCD technology offer greater clarity and even higher brightness in sunlight compared to standard LCDs, while maintaining realistic color representation.

However, they consume more energy compared to other types of screens and are heavier and bulkier.
Compatible Operating System
Android, iOS

Compatible Operating System

The smartphone must be compatible with the watch. Apple Watches only connect with iPhones, while some others can connect with both Android and iPhones, but some functions may not be fully supported.
Touch Screen
Yes
Connection
Bluetooth

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Strap
Silicone

Features & Functions

Features & Functions
Caller ID, Email, SMS, Application / Calls Notification

Features & Functions

Caller ID

The smartwatch can display the name of the contact who is calling.

Email
You can read the emails you receive on your smartwatch.
SMS
The smartwatch can display SMS messages.
Application / Calls Notification

The smartwatch has the ability to transfer notifications from our mobile phone applications such as receiving SMS, Email or a notification from a social media application. Depending on the smartwatch, we may also be able to read it directly from it.
Use
Misc Sports / Gym

Use

The smartwatch has the ability to record the corresponding activity and produce relevant statistics.

Additional Specifications

Sensors
Pedometer, Accelerometer, Heart Rate, Sleep Monitoring

Sensors

Pedometer

Recording steps and distance.

Accelerometer
This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when wearing it.
Heart Rate

Embedded heart rate monitor.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)
ATM Rating
-

ATM Rating

The ATM rating on smartwatches indicates their level of water resistance, which tells how well the watch can withstand exposure to water and various pressure levels.

3 ATM (30 meters): Suitable for everyday splashes, rain, and hand washing.

5 ATM (50 meters): Light swimming, showering.

10 ATM (100 meters): Swimming, snorkeling, water sports.

15 ATM (150 meters): Advanced swimming, water sports.

20 ATM (200 meters): Diving, deep water activities.

50 ATM (500 meters): Professional diving, excellent water resistance.
Waterproof
Water Contact

Waterproof

Water Contact

The smartwatch is designed to withstand simple contact with water, such as rain droplets or sweat. It is the ideal choice for daily use, offering safety and functionality even in wet conditions.
MIL-STD-810
No

Battery

Battery Capacity
180 mAh

Battery Capacity

Most smartwatches have a battery capacity of around 200mAh. 2. The size of the battery is not always indicative of the autonomy, as this largely depends on the features of the smartwatch and the functions we have active. 3. For example, a smartwatch with a large color touch screen and 24-hour heart rate monitoring will often require charging even if it has a larger battery than a simpler smartwatch.
Battery Life
7 days

Battery Life

Battery life shows how many days the smartwatch can operate without charging.


It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


The value is especially meaningful when comparing products from the same manufacturer.
Standby Time
12.5 days

Standby Time

The amount of time a smartwatch can operate in standby mode, simply connected to a mobile phone with one charge. A typical average is 12 days, but it depends on what each manufacturer defines as standby mode. Size makes sense mainly in comparing products from the same manufacturer.

Dimensions

Weight
47 gr

AI Features

AI Voice Assistant
No
AI Training Coach
-
AI Health Insights
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (1)

2.0
1
2.0
Review this product
  1. 5 stars
    0
  2. 4 stars
    0
  3. 3 stars
    0
  4. 1
  5. 1 star
    0
Review this product
  • 2
    KostasPapasGR

    • Battery life
    • Moderate difficulty syncing
    • Moderate number of features
    • Construction quality
    • Screen
    • Durability
    • Value for money
    • Comfort
    • Inaccuracy in measurements
33,00 €
14,00 €   shipping cost