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M4 Black
Activity Trackers

M4 Black

The M4 smart bracelet tracks steps and heart rate, as well as blood pressure and sleep in real time. It supports activities such as walking and running, and alerts you to incoming calls.

The color...

The M4 smart bracelet tracks steps and heart rate, as well as blood pressure and sleep in real time. It supports activities such as walking and running, and alerts you to incoming calls.

The color screen also displays notifications from WhatsApp and Facebook. The bracelet features an alarm clock and tracks calories, and connects to Android devices via...

See full description See full description

Top specs

  • Sensors

    Pedometer

    Recording steps and distance.

    Heart Beat Monitor

    Integrated heart rate monitor.

  • Features

    Call Notification

    Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.
  • See all
8 91 €
Delivery by Mon, 09 Nov
14,00 €   shipping cost
Sent from Greece
From One and Only Shop 4.3 (17)
4.3 (17 reviews)
Greece
5+ pieces
See Wearables on the page of One and Only Shop

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Product report

Description

Description

The M4 smart bracelet tracks steps and heart rate, as well as blood pressure and sleep in real time. It supports activities such as walking and running, and alerts you to incoming calls.

The color screen also displays notifications from WhatsApp and Facebook. The bracelet features an alarm clock and tracks calories, and connects to Android devices via Bluetooth.

  • Compatibility: Android
  • Sensors: Pedometer and heart rate sensor
  • Tracking: Blood pressure and sleep in real time
  • Activities: Walking and running
  • Notifications: Calls, WhatsApp, and Facebook
  • Features: Alarm clock and calorie tracking
  • Display: Color
  • Connectivity: Bluetooth
  • Color: Black

Manufacturer

OEM

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Screen Size
-

Screen Size

The screens of activity trackers are usually 0.5-1.5 inches, with most having ~1 inch and above.
Screen Type
-

Screen Type

The two main categories are IPS and AMOLED.

2. The type of screen affects how vivid or realistic the colors are, how bright and easy to use outdoors in the sun, how distorted the image is when viewed at an angle, and how much battery it consumes.
Release Date
-
Compatibility
Android
Connection
Bluetooth

Connection

Bluetooth

The way to connect the activity tracker to our mobile phone.

Features & Functions

Use
Walking, Running

Use

The activity tracker has the ability to record the corresponding activity and produce relevant statistics. (e.g. for running by measuring the distance)
Features
Call Notification

Features

Call Notification

Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.

Additional Specifications

Sensors
Pedometer, Heart Beat Monitor

Sensors

Pedometer

Recording steps and distance.

Heart Beat Monitor

Integrated heart rate monitor.

Battery

Battery Capacity
-

Battery Capacity

Most activity trackers have a battery capacity of around 100mA. The size of the battery is not always indicative of its autonomy, as this largely depends on the characteristics of the activity tracker and the functions we have active. For example, an activity tracker 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 activity tracker.
Standby Time
-

Standby Time

The amount of time an activity tracker can operate in standby mode, simply connected to a mobile phone with one charge, varies depending on what each manufacturer defines as standby mode. The average is 10 days, but size becomes meaningful mainly in comparing products from the same manufacturer.
Operation Time
-

Operation Time

The amount of time an activity tracker can operate with basic functions activated on a full charge. An average is 7 days, but it depends on what each manufacturer defines as standby mode. The size makes sense mainly in comparing products from the same manufacturer.

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

Description & Specifications

The M4 smart bracelet tracks steps and heart rate, as well as blood pressure and sleep in real time. It supports activities such as walking and running, and alerts you to incoming calls.

The color screen also displays notifications from WhatsApp and Facebook. The bracelet features an alarm clock and tracks calories, and connects to Android devices via Bluetooth.

  • Compatibility: Android
  • Sensors: Pedometer and heart rate sensor
  • Tracking: Blood pressure and sleep in real time
  • Activities: Walking and running
  • Notifications: Calls, WhatsApp, and Facebook
  • Features: Alarm clock and calorie tracking
  • Display: Color
  • Connectivity: Bluetooth
  • Color: Black

Manufacturer

OEM

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Screen Size
-

Screen Size

The screens of activity trackers are usually 0.5-1.5 inches, with most having ~1 inch and above.
Screen Type
-

Screen Type

The two main categories are IPS and AMOLED.

2. The type of screen affects how vivid or realistic the colors are, how bright and easy to use outdoors in the sun, how distorted the image is when viewed at an angle, and how much battery it consumes.
Release Date
-
Compatibility
Android
Connection
Bluetooth

Connection

Bluetooth

The way to connect the activity tracker to our mobile phone.

Features & Functions

Use
Walking, Running

Use

The activity tracker has the ability to record the corresponding activity and produce relevant statistics. (e.g. for running by measuring the distance)
Features
Call Notification

Features

Call Notification

Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.

Additional Specifications

Sensors
Pedometer, Heart Beat Monitor

Sensors

Pedometer

Recording steps and distance.

Heart Beat Monitor

Integrated heart rate monitor.

Battery

Battery Capacity
-

Battery Capacity

Most activity trackers have a battery capacity of around 100mA. The size of the battery is not always indicative of its autonomy, as this largely depends on the characteristics of the activity tracker and the functions we have active. For example, an activity tracker 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 activity tracker.
Standby Time
-

Standby Time

The amount of time an activity tracker can operate in standby mode, simply connected to a mobile phone with one charge, varies depending on what each manufacturer defines as standby mode. The average is 10 days, but size becomes meaningful mainly in comparing products from the same manufacturer.
Operation Time
-

Operation Time

The amount of time an activity tracker can operate with basic functions activated on a full charge. An average is 7 days, but it depends on what each manufacturer defines as standby mode. The size makes sense mainly in comparing products from the same manufacturer.

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.

8,91 €
14,00 €   shipping cost