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Watch 4 46mm with Heart Rate Monitor (Black)
Smartwatches

Watch 4 46mm with Heart Rate Monitor (Black)

The XO Watch 4 smartwatch tracks steps, heart rate, blood oxygen and sleep. Its AMOLED touchscreen has a resolution of 466 x 466 pixels, while Bluetooth connectivity lets you pair it with Android...

The XO Watch 4 smartwatch tracks steps, heart rate, blood oxygen and sleep. Its AMOLED touchscreen has a resolution of 466 x 466 pixels, while Bluetooth connectivity lets you pair it with Android devices. It supports sports activities such as running, cycling, hiking and workouts, and provides caller ID and app notifications.

The 250 mAh battery offers up to...

See full description See full description

Top specs

  • 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

    AMOLED

    Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.

  • Waterproof

    Hand Washing

    You don't need to remove your watch every time you wash your hands. The smartwatch is water-resistant, fully covering frequent washing, making it practical for every moment of the day.
  • See all
Lowest price '26 1 variation has

35 39 €
Delivery Tue, 10 Nov - Thu, 12 Nov
14,00 €   shipping cost
Sent from Greece
From Silvernose 5.0 (54)
5.0 (54 reviews)
Greece
1 piece
See Wearables on the page of Silvernose

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Product report

Description

Description

The XO Watch 4 smartwatch tracks steps, heart rate, blood oxygen and sleep. Its AMOLED touchscreen has a resolution of 466 x 466 pixels, while Bluetooth connectivity lets you pair it with Android devices. It supports sports activities such as running, cycling, hiking and workouts, and provides caller ID and app notifications.

The 250 mAh battery offers up to 7 days of battery life. The watch is suitable for hand washing.

  • Screen size: 1.43 inches
  • Screen resolution: 466 x 466 pixels
  • Screen type: AMOLED
  • Touchscreen: Yes
  • Compatible operating system: Android
  • Connectivity: Bluetooth
  • Sensors: Pedometer, heart rate, blood oxygen and sleep tracking
  • Features: Caller ID, app notifications and vibration
  • Sports activities: Various sports and workouts, hiking, cycling and running
  • Battery life: Up to 7 days
  • Battery capacity: 250 mAh
  • Water resistance: Suitable for hand washing
  • Diameter: 46 mm
  • Weight: 57.5 g
  • Color: Black
  • Release year: 2024

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
2024
Screen Size
1.43 "

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
466x466 pixels
Screen Type
AMOLED

Screen Type

AMOLED

Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.
Compatible Operating System
Android

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
-
Case material
-

Features & Functions

Features
Vibration
Features & Functions
Caller ID, Application / Calls Notification

Features & Functions

Caller ID

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

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, Hiking, Cycling, Running

Use

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

Additional Specifications

Sensors
Pedometer, Heart Rate, Oximeter, Sleep Monitoring

Sensors

Pedometer

Recording steps and distance.

Heart Rate

Embedded heart rate monitor.

Oximeter

Measure the amount of oxygen in the blood.

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.)
Protection
-
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
Hand Washing

Waterproof

Hand Washing

You don't need to remove your watch every time you wash your hands. The smartwatch is water-resistant, fully covering frequent washing, making it practical for every moment of the day.
MIL-STD-810
No

Battery

Battery Capacity
250 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
7 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

Case Size
46 mm

Case Size

46
This size is usually intended for fruits with a circumference of 19-20.5cm.
Weight
57.5 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

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Description & Specifications

The XO Watch 4 smartwatch tracks steps, heart rate, blood oxygen and sleep. Its AMOLED touchscreen has a resolution of 466 x 466 pixels, while Bluetooth connectivity lets you pair it with Android devices. It supports sports activities such as running, cycling, hiking and workouts, and provides caller ID and app notifications.

The 250 mAh battery offers up to 7 days of battery life. The watch is suitable for hand washing.

  • Screen size: 1.43 inches
  • Screen resolution: 466 x 466 pixels
  • Screen type: AMOLED
  • Touchscreen: Yes
  • Compatible operating system: Android
  • Connectivity: Bluetooth
  • Sensors: Pedometer, heart rate, blood oxygen and sleep tracking
  • Features: Caller ID, app notifications and vibration
  • Sports activities: Various sports and workouts, hiking, cycling and running
  • Battery life: Up to 7 days
  • Battery capacity: 250 mAh
  • Water resistance: Suitable for hand washing
  • Diameter: 46 mm
  • Weight: 57.5 g
  • Color: Black
  • Release year: 2024

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
2024
Screen Size
1.43 "

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
466x466 pixels
Screen Type
AMOLED

Screen Type

AMOLED

Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.
Compatible Operating System
Android

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
-
Case material
-

Features & Functions

Features
Vibration
Features & Functions
Caller ID, Application / Calls Notification

Features & Functions

Caller ID

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

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, Hiking, Cycling, Running

Use

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

Additional Specifications

Sensors
Pedometer, Heart Rate, Oximeter, Sleep Monitoring

Sensors

Pedometer

Recording steps and distance.

Heart Rate

Embedded heart rate monitor.

Oximeter

Measure the amount of oxygen in the blood.

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.)
Protection
-
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
Hand Washing

Waterproof

Hand Washing

You don't need to remove your watch every time you wash your hands. The smartwatch is water-resistant, fully covering frequent washing, making it practical for every moment of the day.
MIL-STD-810
No

Battery

Battery Capacity
250 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
7 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

Case Size
46 mm

Case Size

46
This size is usually intended for fruits with a circumference of 19-20.5cm.
Weight
57.5 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)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
35,39 €
14,00 €   shipping cost
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