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K66 Smartwatch with Heart Rate Monitor (Black)
Smartwatches

K66 Smartwatch with Heart Rate Monitor (Black)

The Lemfo K66 smartwatch combines Bluetooth calling and music playback with heart rate, blood pressure, and blood oxygen monitoring. Its 1.85-inch AMOLED touchscreen has a resolution of 360 360...

The Lemfo K66 smartwatch combines Bluetooth calling and music playback with heart rate, blood pressure, and blood oxygen monitoring. Its 1.85-inch AMOLED touchscreen has a resolution of 360 360 pixels. It also provides call and message notifications, weather reminders, and sleep tracking.

It tracks steps, calories, and distance, and includes multi-sport...

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

    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
59 90 €
Delivery by Thu, 05 Nov
14,00 €   shipping cost
Sent from Greece
From Cell-phones 3.5 (73)
3.5 (73 reviews)
Greece
See Wearables on the page of Cell-phones

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Product report

Description

Description

The Lemfo K66 smartwatch combines Bluetooth calling and music playback with heart rate, blood pressure, and blood oxygen monitoring. Its 1.85-inch AMOLED touchscreen has a resolution of 360 × 360 pixels. It also provides call and message notifications, weather reminders, and sleep tracking.

It tracks steps, calories, and distance, and includes multi-sport modes, a stopwatch, and remote photo capture. It supports multilingual notifications and has a speaker and vibration alerts for reminders. The 730 mAh battery provides up to 10 days of operating time and approximately 40 days of standby time.

  • Screen size: 1.85 inches
  • Screen type: AMOLED
  • Screen resolution: 360 × 360 pixels
  • Touchscreen: Yes
  • Memory: 128 MB
  • Connectivity: Bluetooth 5.0
  • Compatible operating system: Android
  • Sensors: Heart rate, blood pressure, and blood oxygen
  • Sleep tracking: Yes
  • Features: Step, calorie, and distance tracking, stopwatch, remote photo capture, time and weather display
  • Sports activities: Multiple sports, running, and gym workouts
  • Notifications and reminders: Calls, messages, multiple languages, alarm, and prolonged inactivity
  • Speaker: Yes
  • Vibration: Yes
  • Battery capacity: 730 mAh
  • Battery life: 7–10 days
  • Standby time: Approximately 40 days
  • Strap: Metal
  • Color: Black
  • Water resistance: Suitable for basic water contact

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
-
Screen Size
1.85 "

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
-
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
Internal Storage
0.125 GB

Internal Storage

The amount of information that can be stored on a smartwatch. Most modern smartwatches have a capacity of 32GB, while older or simpler smartwatches may have 4GB of internal memory. This space is mainly used for storing applications. It is particularly useful for smartwatches that can be used independently of a mobile phone, for example, for storing and playing music.
Connection
Bluetooth

Connection

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

Features & Functions

Features
Vibration, Speaker

Features

Speaker

Playback of multimedia, notification sounds, or voice.
Features & Functions
-
Use
Misc Sports / Gym, Running

Use

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

Additional Specifications

Sensors
Heart Rate, Sleep Monitoring

Sensors

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.)
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
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
730 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
40 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
40 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
-
Weight
-

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

Description & Specifications

The Lemfo K66 smartwatch combines Bluetooth calling and music playback with heart rate, blood pressure, and blood oxygen monitoring. Its 1.85-inch AMOLED touchscreen has a resolution of 360 × 360 pixels. It also provides call and message notifications, weather reminders, and sleep tracking.

It tracks steps, calories, and distance, and includes multi-sport modes, a stopwatch, and remote photo capture. It supports multilingual notifications and has a speaker and vibration alerts for reminders. The 730 mAh battery provides up to 10 days of operating time and approximately 40 days of standby time.

  • Screen size: 1.85 inches
  • Screen type: AMOLED
  • Screen resolution: 360 × 360 pixels
  • Touchscreen: Yes
  • Memory: 128 MB
  • Connectivity: Bluetooth 5.0
  • Compatible operating system: Android
  • Sensors: Heart rate, blood pressure, and blood oxygen
  • Sleep tracking: Yes
  • Features: Step, calorie, and distance tracking, stopwatch, remote photo capture, time and weather display
  • Sports activities: Multiple sports, running, and gym workouts
  • Notifications and reminders: Calls, messages, multiple languages, alarm, and prolonged inactivity
  • Speaker: Yes
  • Vibration: Yes
  • Battery capacity: 730 mAh
  • Battery life: 7–10 days
  • Standby time: Approximately 40 days
  • Strap: Metal
  • Color: Black
  • Water resistance: Suitable for basic water contact

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
-
Screen Size
1.85 "

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
-
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
Internal Storage
0.125 GB

Internal Storage

The amount of information that can be stored on a smartwatch. Most modern smartwatches have a capacity of 32GB, while older or simpler smartwatches may have 4GB of internal memory. This space is mainly used for storing applications. It is particularly useful for smartwatches that can be used independently of a mobile phone, for example, for storing and playing music.
Connection
Bluetooth

Connection

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

Features & Functions

Features
Vibration, Speaker

Features

Speaker

Playback of multimedia, notification sounds, or voice.
Features & Functions
-
Use
Misc Sports / Gym, Running

Use

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

Additional Specifications

Sensors
Heart Rate, Sleep Monitoring

Sensors

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.)
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
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
730 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
40 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
40 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
-
Weight
-

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.

59,90 €
14,00 €   shipping cost
Lemfo