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GS3 Waterproof Smartwatch with Heart Rate Monitor (Lava Black)
Smartwatches

GS3 Waterproof Smartwatch with Heart Rate Monitor (Lava Black)

The Black Shark GS3 smartwatch tracks activities such as swimming, hiking, cycling and running, while its sensors monitor heart rate, blood oxygen levels, sleep, steps and calories. It is suitable for...

The Black Shark GS3 smartwatch tracks activities such as swimming, hiking, cycling and running, while its sensors monitor heart rate, blood oxygen levels, sleep, steps and calories. It is suitable for sea swimming and features GPS, an AMOLED touchscreen, a speaker and a microphone.

  • Compatible operating system: Android
  • Connectivity type: Bluetooth
  • Sensors:...
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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

    Sea Swimming

    The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
  • See all
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Product report

Description

Description

The Black Shark GS3 smartwatch tracks activities such as swimming, hiking, cycling and running, while its sensors monitor heart rate, blood oxygen levels, sleep, steps and calories. It is suitable for sea swimming and features GPS, an AMOLED touchscreen, a speaker and a microphone.

  • Compatible operating system: Android
  • Connectivity type: Bluetooth
  • Sensors: GPS, pedometer, calorie counter, heart rate sensor, oximeter, sleep tracking
  • Touchscreen: Yes
  • Display type: AMOLED
  • Use: Various sports/gym, swimming, mountaineering, hiking, cycling, running
  • Colour: Black
  • Water-resistant: Suitable for sea swimming
  • Screen size: 1.43
  • Features: Vibration, speaker, microphone

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
2026
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, Speaker, Microphone

Features

Speaker

Playback of multimedia, notification sounds, or voice.

Microphone
For voice commands or speech.
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, Swimming, Climbing, Hiking, Cycling, Running

Use

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

Additional Specifications

Sensors
GPS, Pedometer, Calorimeter, Heart Rate, Oximeter, Sleep Monitoring

Sensors

GPS
Technology that allows for the detection of geographic location via satellite. Particularly useful for navigation through map applications such as Google Maps.
Pedometer

Recording steps and distance.

Calorimeter

Calculates how many calories you have consumed each day.

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
Splash Resistant, Dust Resistant, Scratch Resistant
ATM Rating
5 ATM

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
Sea Swimming

Waterproof

Sea Swimming

The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
MIL-STD-810
Yes

Battery

Battery Life
45 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.

AI Features

AI Voice Assistant
Yes
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

Description & Specifications

The Black Shark GS3 smartwatch tracks activities such as swimming, hiking, cycling and running, while its sensors monitor heart rate, blood oxygen levels, sleep, steps and calories. It is suitable for sea swimming and features GPS, an AMOLED touchscreen, a speaker and a microphone.

  • Compatible operating system: Android
  • Connectivity type: Bluetooth
  • Sensors: GPS, pedometer, calorie counter, heart rate sensor, oximeter, sleep tracking
  • Touchscreen: Yes
  • Display type: AMOLED
  • Use: Various sports/gym, swimming, mountaineering, hiking, cycling, running
  • Colour: Black
  • Water-resistant: Suitable for sea swimming
  • Screen size: 1.43
  • Features: Vibration, speaker, microphone

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
2026
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, Speaker, Microphone

Features

Speaker

Playback of multimedia, notification sounds, or voice.

Microphone
For voice commands or speech.
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, Swimming, Climbing, Hiking, Cycling, Running

Use

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

Additional Specifications

Sensors
GPS, Pedometer, Calorimeter, Heart Rate, Oximeter, Sleep Monitoring

Sensors

GPS
Technology that allows for the detection of geographic location via satellite. Particularly useful for navigation through map applications such as Google Maps.
Pedometer

Recording steps and distance.

Calorimeter

Calculates how many calories you have consumed each day.

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
Splash Resistant, Dust Resistant, Scratch Resistant
ATM Rating
5 ATM

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
Sea Swimming

Waterproof

Sea Swimming

The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
MIL-STD-810
Yes

Battery

Battery Life
45 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.

AI Features

AI Voice Assistant
Yes
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.

Black Shark