Best X4 Smart Watch 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

FITFLEX

FITFLEX Men's Smartwatch with 1000 mAh, 1.53 Inch HD AMOLED Military Smart Watch, LED Torch, Phone Function, Fitness Watch with 120+ Sports Modes, Heart Rate, Sleep Monitor, SpO2, IP68, iOS Android

Show more
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wide compatibility: these men's round smartwatches are easily compatible with standard mobile phone systems and supports Android 6.0 and above, iOS 9.0 and above. Whether you use an Android or Apple phone, you can connect seamlessly. The product is equipped with a 24-month discount guarantee and provides comprehensive protection for your use. If you have any questions about the men's smartwatch Android, please contact us at any time - 7 x 24-hour online answer to ensure that all your problems are solved quickly, so you can use them without worry.
Precise health monitoring: the smart watch for men is equipped with the latest sensors, such as a 24/7 health partner at your side. Sports watches men accurate tracking of heart rate, blood oxygen; if you want to know your physical condition in the office, you can check the blood oxygen data to determine in time if you need a break; at night, it automatically analyzes the duration of your deep sleep and light sleep, creates a sleep report and helps you adjust your daily routine in time. All these monitoring results are synchronized with the app "FitCloudPro".
Multiple functions: the EF23 outdoor smartwatch men's has functions such as weather forecast, voice assistant, alarm clock, stopwatch, timer, music control, camera control, seat inward reminder, drinking water reminder, multilingual switching, phone search, brightness control, non-disturbing mode, timer, etc. It is the perfect assistant for your everyday use. The FitCloudPro app also provides you with over 200 custom dial backgrounds to choose from, and you can also create DIY photos to personalize your dial.
Bluetooth calls and real-time message notification: the FITFLEX military smartwatch for men is equipped with the latest microphone and speaker. With a stable Bluetooth connection, you can reach unrestricted calls on your wrist, you can answer and make calls directly, and messages from WeChat, SMS, social networks (Facebook, WhatsApp and Instagram) are reminded in real time by vibration. You can easily display call lists on the men's smartwatch and make calls via the built-in number keyboard. Make sure you don't miss any important calls and messages.
120+ sports modes fitness watch: The EF23 men's smart watch is equipped with over 120 sports modes, which are suitable for daily training, outdoor, indoor, fitness and ball sports to meet your different training needs. Whether it's a daily commute walk or strength training in the gym, it adapts precisely so every exercise is data-driven. It monitors your heart rate in real time to save you the risk of overloading during training; the EF23 fitness watch can help you finely control your condition and record clear training data.
1000 mAh battery, LED torch, IP68 waterproof: this smart watch is designed for modern men who strive for quality and versatility. It is equipped with a 1000 mAh large capacity battery, which provides 15 days of normal use and 60 days standby time, so you no longer have to worry about frequent charging. The smart watch has an IP68 professional water resistance level, so you can wear it safely when you wash your hands, are in the rain or even swim. The men's watches are also equipped with an integrated LED torch that provides comfortable lighting. Perfect for running late at night or using in dark corners.
1.53 inch HD large screen smartwatch and three bracelets: this men's smartwatch impresses with a designed and stylish design. The case body is made of one piece of aluminium alloy for the aerospace sector, combining fashion and smart technology. It feels delicate and smooth and can effectively resist daily scratches and fingerprints. Equipped with a 1.53" HD touch display (360×360 resolution), the picture quality is clear and fine, and the image-rich screen ensures clear readability. The triple bracelet combination - can handle both high-intensity activities and master everyday formal occasions. Easy to fit for all occasions.

129,95 €
02

XIAOMI

XIAOMI Watch S4 Smartwatch, Fitness Monitoring, 1.43 Inch AMOLED, 15 Day Battery Life, Bluetooth Calls, 150+ Sports Modes, Dual Band GPS, NFC, Android & iOS, Rainbow

Show more

28% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[150+ sports modes. Ideal for all types of activities]L1+L5 dual frequency GNSS of five satellite tracking systems.
[1.43 inch AMOLED display of exceptional brightness] Features a 1.43 inch AMOLED display that delivers clear and fluid visuals and offers amazing HBM brightness of up to 1500 cd/m².
Xiaomi Smart Hub: Remote photography, "Find my phone", headphone settings* and much more. Xiaomi Home devices* can also be controlled, which ensures smarter networking of smart wearables and your home.
Up to 15 days of battery life: A long battery life of 15 days* allows more than two weeks of use, so you don't need to take a charger for your watch on short trips. Five minutes charging with FastCharge delivers two days of use.
Advanced health monitoring: monitors heart rate, stress, blood oxygen and sleep. A microphysical examination report is generated in about 60 seconds. High-precision sensor module for 24/7 health protection.

122,99 € 169,99 €(28% Off off)
Value for Money

03

ASEEYIRJ

4G Smartwatch Children Men Women with Nano SIM Phone 1.92 Inch HD Display Smart Watch with Heart Rate Monitor Sports Modes Games Alarm Clock IP68 Waterproof Pedometer Fitness Tracker for 5-16 Girls

Show more

67% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Sports Modes & IP68 Water Protection: This fitness watch offers numerous professional sports modes and accurately records your training data at any time - including heart rate, steps and training history. Thanks to the IP68 waterproof, the smart watch is ideal for everyday use and can withstand sweat, rain and even short submersion. (Note: Not suitable for hot water, sauna or sea water.)
SIM card note: This smart watch requires a nano SIM card with telephony, SMS and data function. Please check the network compatibility with your provider before purchasing. Compatible with common 4G networks in Europe - Germany: (Telekom, Vodafone, O2) France: (Orange, SFR, Ali) Italy: (TIM, Vodafone, WindTre) Spain: (Movistar, Orange, Vodafone) Note: Nano SIM card required (not included).
Multifunctional assistant: this children's smart watch supports numerous practical functions such as alarm clock, calculator, pedometer and thinking games. It helps children develop good habits in everyday life and learning, and makes them more fun.
4G Connectivity with Nano SIM: With support for nano SIM card, this smart watch allows you to make calls and receive SMS notifications directly from the watch - without a smartphone. Ideal for adults and children in everyday life, school or sports.
24/7 HEALTH MONITORING: This smart watch has a high-precision PPG heart rate sensor, which automatically measures your heart rate in real time and 24/7. Whether in everyday life, learning, playing or sports, you can see your current heart rate value at any time and can comfortably keep an eye on your heart health.
1.92 inch HD large display and elegant design: the impressive 1.92 inch HD full screen provides a clear, brilliant display and a comfortable operating experience. Individual dials, fluid animations and a modern design ensure a high-quality look on the wrist.

49,99 € 149,99 €(67% Off off)
04

GRV

GRV Smartwatch, Unisex Fitness Watch with Heart Rate Monitor, Pedometer, Sleep Monitor, 9 Training Modes

Show more

40% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Notifications: Once connected to your mobile phone, the smart watch can receive call reminders, calendar alerts, emails, SMS notifications, Facebook, WhatsApp and other social app notifications. It supports setting alarms, stopwatches, countdowns and mobile phone finder
Compatibility and connection: This smart watch is compatible with smartphones running iOS 8.0 and above, Android 4.4 and above using Bluetooth 5.0 and above. The smart watch connects to the phone via Bluetooth and can be used with the VeryFitPro app that has been specially developed for the smartwatch. The connection is fast and stable and you don't have to worry about your privacy
About the smartwatch: The smart watch has 4 built-in faces that can be selected for different scenarios and are more personalised. Deep optimisation of battery performance. The large capacity battery with intelligent power consumption algorithm and a battery run time of up to 10 days means the watch can accompany you for longer
About health: The smart watch automatically monitors and records your heart rate and sleep data over 24 hours. It synchronises with the app to display your heart rate chart and sleep trends, and helps you improve your sleep quality. In addition, there is a menstrual monitoring function to help women predict or remind them of their next menstruation and time of ovulation, helping you to take better care of yourself
About Multi-Sport mode: The smart watch uses high-precision motion sensors and optimised sports algorithms to accurately track your activity data throughout the day. This can help you better understand the value of your activities and make sports more efficient

24,18 € 39,99 €(40% Off off)
05

HUAWEI

HUAWEI Watch FIT 4 Smartwatch, Sports Fitness Tracker, 5ATM Waterproof, Health Insights, Up to 10 Days Battery, Compatible with Android & iOS, Black

Show more

36% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wrist Health Insights: Dive into the Health Insights app, a novelty on the HUAWEI Watch Fit 4 Series, for top-notch recommendations for a healthier lifestyle—from stress management tips to advice on improving sleep and optimizing workouts.
Up to 10 days of battery life: Power for your whole day after only 10 minutes of charging time, thanks to the HUAWEI Watch Wireless SuperCharger.
Slim and stylish: Wear an amazing watch that is slim and stylish, weighs only 27g and is 9.5mm thick, and let yourself be enchanted by its fascinating wing-like 3D design.
Precise positioning: Benefit from the precise positioning of the HUAWEI Sunflower positioning system, which even detects which activity you are currently doing. You will now receive even more comprehensive and accurate readings that you can use for your outdoor activities such as walking, running, cycling, hiking and orientation running to support your scientifically supported training.
Comprehensive compatibility: The HUAWEI Watch Fit 4 is compatible with both iOS and Android so you stay connected, keep track of your fitness goals and receive real-time notifications - all on your own terms.
Climb new heights: The WATCH FIT 4 is designed for adventurers and, thanks to its powerful barometer, provides high-quality data on altitude, cumulative slope and air pressure.

108,00 € 169,00 €(36% Off off)
06

XIAOMI

XIAOMI Watch S4 Smartwatch, Fitness Monitoring, 1.43 Inch AMOLED, 15 Day Battery Life, Bluetooth Calls, 150+ Sports Modes, Dual Band GPS, NFC, Android & iOS, Rainbow

Show more
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

[150+ sports modes. Ideal for all types of activities]L1+L5 dual frequency GNSS of five satellite tracking systems.
[1.43 inch AMOLED display of exceptional brightness] Features a 1.43 inch AMOLED display that delivers clear and fluid visuals and offers amazing HBM brightness of up to 1500 cd/m².
Xiaomi Smart Hub: Remote photography, "Find my phone", headphone settings* and much more. Xiaomi Home devices* can also be controlled, which ensures smarter networking of smart wearables and your home.
Up to 15 days of battery life: A long battery life of 15 days* allows more than two weeks of use, so you don't need to take a charger for your watch on short trips. Five minutes charging with FastCharge delivers two days of use.
Advanced health monitoring: monitors heart rate, stress, blood oxygen and sleep. A microphysical examination report is generated in about 60 seconds. High-precision sensor module for 24/7 health protection.

104,44 €
07

XIAOMI

XIAOMI Watch S4 Black - 1.43 Inch AMOLED, 2200 Nits, 15 Day Battery, 5ATM Waterproof, Heart Rate & SPO₂ Sensor, Bluetooth 5.3, Aluminium Case

Show more

30% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Heart rate and SpO₂ sensor for precise health and fitness monitoring 24/7
Bluetooth 5.3 for stable and fast connection with smartphones as well as clear call quality
5ATM water resistance, ideal for swimming, rain and sweaty workouts
486 mAh battery with up to 15 days of typical use for a long run time without constant charging
1.43 inch AMOLED display with 466 × 466 pixels and 2200 nits brightness for clear vision in all lighting conditions

112,70 € 159,99 €(30% Off off)
08

XIAOMI

XIAOMI Watch S4 Black - 1.43 Inch AMOLED, 2200 Nits, 15 Day Battery, 5ATM Waterproof, Heart Rate & SPO₂ Sensor, Bluetooth 5.3, Aluminium Case

Show more
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Heart rate and SpO₂ sensor for precise health and fitness monitoring 24/7
Bluetooth 5.3 for stable and fast connection with smartphones as well as clear call quality
5ATM water resistance, ideal for swimming, rain and sweaty workouts
486 mAh battery with up to 15 days of typical use for a long run time without constant charging
1.43 inch AMOLED display with 466 × 466 pixels and 2200 nits brightness for clear vision in all lighting conditions

85,61 €
09

Woneligo

Smartwatch Men Women 1.8 Inch AMOLED Display Smart Watch with Phone Function Alexa, Fitness Watch with Heart Rate Sleep SpO2 Pedometer 110 Sports Modes IP68 Waterproof Sports Watch for iOS Android

Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

【Multifunctionality & Universal Compatibility】Music and camera control, weather display, motion reminder, alarm clock, stopwatch, find phone, flashlight - bring you a smarter experience. The large capacity design and low power consumption extends the service life. Compatible with most iOS and Android smartphones - just connect and start using the app.
【110+ Sports Modes & IP68 Waterproof】Ideal for sports enthusiasts: Over 110 sports modes (running, cycling, football etc.) track steps, calories and distance. IP68 water resistance allows use in rain or daily activities. Please do not immerse with the watch and do not wear it in the sea or hot water.
Bluetooth calls and intelligent notifications: Bluetooth chip and high-quality microphone ensure faster and smoother calls. Gentle vibrations ensure that you receive timely notifications from message apps (WhatsApp, Facebook, etc.) even without a smartphone at hand. Note: It is not possible to answer messages on the watch.
24/7 health monitoring: powerful sensors continuously monitor heart rate, blood oxygen, sleep (deep sleep, light sleep, wake up times) as well as the reminder of the physiological cycle. Detailed data in the app helps you better understand your health status.
1.8 inch AMOLED touch screen and adjustable dials: First, the large 1.8 inch AMOLED touch screen impresses with excellent image quality and a smooth touch experience. More than 100 unique online dials, plus the option to upload your own photos, allow you to customize the design - perfectly match your personal style.

59,99 €
10

ESFOE

ESFOE Military Smartwatch Men's 1.96 Inch Large Smart Watch with Metal Strap, Smartwatch for Men with 3 Bracelets, 400 mAh, 100+ Sports Modes, 5 ATM Waterproof Fitness Watch with Phone Function for

Show more
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

MORE FUNCTIONS: This sports smart watch for men has a variety of useful daily functions, such as alarm clock, stopwatch, calculator, music control, weather forecast, phone search, calendar, camera control and more. In addition, it supports multilingual display and multiple time zone settings to meet your globalization needs. High-quality materials and a robust design ensure reliable performance in a variety of environments so you can master your everyday life and outdoor adventures with ease.
Integral military features: the tactical military smartwatch for men from ESFOE consists of a one-piece stainless steel metal housing and a double-layer glass cover made of Corning Gorilla Glass 9H of the 3rd generation. It has passed 15 military standard tests, including temperature, negative pressure, dust, salt spray and liquid pollution. The watch is resistant to daily wear and collisions, offers excellent water resistance (50 m static resistance) and has a powerful 400 mAh lithium polymer battery that ensures a long service life and fully meets the requirements of your daily and outdoor activities.
Bluetooth call and message reminder: This Android smart watch has an AI voice assistant, message notification and call functionality. Equipped with Bluetooth 5.0 dual smart chip and Hi-Fi speaker, it also supports push notifications from apps such as Facebook, WhatsApp and Instagram. Never miss important text messages and phone calls, especially when driving, jogging, exercising, etc. The AI assistant helps you have your hands free to easily make calls, check the weather and set reminders with a single command! . Compatible with Android 8.0+ and iOS 12.0+.
100+ sports modes and 24-hour health monitoring - This fitness watch for men supports over 100+ training modes, such as Walking, running, cycling and basketball that cover all your training needs. The smart watch accurately tracks heart rate, calories, distance and steps and helps you achieve your goals. It also monitors heart rate, blood oxygen levels and breathing rate and automatically monitors sleep, including sporadic sleep. Additional features include automatic exercise detection, stress detection, hydration reminders and women's health that improve your overall health management.
1.96 inch touch screen and customizable sphere – This men's smartwatch is equipped with a 1.96 inch ultra-HD full square touch screen, the large screen design not only improves the smoothness of the touch operation, but also ensures an excellent viewing experience. Equipped with three luxurious stainless steel, leather and liquid silicone bracelets, it is perfect for business, leisure and sports. With the FitCloudPro app, you can choose from over 200 beautiful watch faces and customize them according to your favourite images. So you can enjoy high picture quality and a stunning visual experience.

119,99 €