Best X4 Smart Watch 2026

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Last Updated - 22.07.2026

Best Choice

01

XIAOMI

XIAOMI Watch S4 41 mm Smartwatch - Stainless Steel Case, Ultralight, 150+ Sports Modes, Precise Menstrual Cycle Forecast, Safety Emergency Call Function, Fluororubber Strap (Mint Green)

19% Off

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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.

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Main highlights

Ultra-light & all-day wearable: only 32g weight and 41mm case diameter - barely noticeable on the wrist, even during sports or sleeping. Skin-friendly fluororubber strap for maximum comfort and durability
Safety emergency call function: triple click on the crown automatically calls stored emergency contacts and sends the exact location - quick help when it matters
Precise menstrual cycle forecast: 0.1°C high-precision temperature sensor monitors skin temperature 24/7, detects fine fluctuations and uses them for an accurate cycle forecast - for more planning safety
One-tap health check: measure heart rate, blood oxygen, stress level and sleep quality in just one tap - comprehensive health status in seconds, can be viewed at any time
ELEGANT PREMIUM DESIGN High quality stainless steel case with polished finish, multifaceted cut crown and minimalist band holder - inspired by classic luxury watches combined with modern smartwatch technology

129,00 € 159,99 €(19% Off off)
02

uaue

Smartwatch Men Women 1.96 Inch HD Smartwatch 2026 with Phone Function, Smart Watch Fitness Watch 113+ Sports Modes, IP68 Waterproof, Sports Watch with Heart Rate Sleep Monitor Pedometer for Android

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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.

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Main highlights

Multifunctional and long battery life: this smart watch contains more practical functions, fitness watch (pedometer, calories, activity distance), women's health, breathing training, stopwatch, timer, music control, camera control, weather forecast, sedentary reminder, calculator, calendar, Gmail, alarm clock, find phone, flashlight, etc. With only 2 hours charging time, the watch offers a service life of up to 7 days and a standby mode of 30 days.
Bluetooth calls and information reminder: the women's watch has a speaker and a high-resolution microphone. After connecting to the phone via Bluetooth, you can receive or make calls directly from the women's fitness watch. The fitness tracker can also receive SMS and app messages (WhatsApp, Twitter, Facebook, Instagram, YouTube, etc.) synchronously. All notifications are displayed on your women's watch and reminded by vibration. You will not miss any information.
24/7 real-time health monitor: the women's smartwatch uses advanced sensors for precise monitoring. It can continuously measure your health data (SpO2, heart rate) for 24 hours. The women's sports watch can also monitor and analyse sleep status to improve your sleep quality. In addition, the watch has a function to record the female menstrual cycle. It is an ideal gift for your mother, wife or girlfriend.
110+ sports modes and IP68 waterproof: the men's watch supports treadmill / jogging / cycling / walking / yoga / skipping rope / badminton / free training etc., which is the first choice for sports enthusiasts. Real-time data tracking helps you adjust the intensity of your workout for optimal results. The skin-friendly silicone strap ensures optimal comfort. With IP68 waterproof, the men's fitness watch can meet your daily waterproof requirements.
1.96 inch colour HD full touchscreen and DIY dial: women's smartwatch with 1.96 inch touch screen and 4-level adjustable brightness, clearer display in sunlight, more comfortable operation. The voice assistant on your men's smartwatch frees your hands from the smartphone. Men's watch has more than 200+ unique online dials to choose from, you can also choose any image on your phone as a background image to show your personal style.

119,99 €
Value for Money

03

XIAOMI

XIAOMI Watch S4 41 mm Smartwatch - Stainless Steel Case, Ultralight, 150+ Sports Modes, Precise Menstrual Cycle Forecast, Safety Emergency Call Function, Fluororubber Strap Black

25% Off

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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.

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Main highlights

Ultra-light & all-day wearable: only 32g weight and 41mm case diameter - barely noticeable on the wrist, even during sports or sleeping. Skin-friendly fluororubber strap for maximum comfort and durability
Safety emergency call: triple click on the crown automatically calls on deposited emergency contacts and sends the exact location - quick help when it matters.
Precise menstrual cycle forecast: 0.1°C high-precision temperature sensor monitors skin temperature 24/7, detects fine fluctuations and uses them for an accurate cycle forecast - for more planning safety
One-tap health check: measure heart rate, blood oxygen, stress level and sleep quality in just one tap - comprehensive health status in seconds, can be viewed at any time
ELEGANT PREMIUM DESIGN High quality stainless steel case with polished finish, multifaceted cut crown and minimalist band holder - inspired by classic luxury watches combined with modern smartwatch technology

119,28 € 159,99 €(25% Off off)
04

XPLORA

XPLORA XGO 2 – Phone Watch for Children (SIM Free) – 4G, Calls, Messages, School Mode, SOS Function, GPS, Camera, LED Light and Pedometer – Blue

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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.

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Main highlights

WiFi & Network Compatibility – The XPLORA XGO 2 can be connected to WiFi to reduce costs. This product is compatible with most networks. Further information can be found in the following description (SIM card not included).
Voice calls: Xplora XGO 2 can make and receive calls to and from previously stored contacts.
SOS: In an emergency, the child can press the SOS button. The saved emergency contacts are automatically informed of the current location.
Messages: The watch can receive text, emojis, pictures and voice messages and respond with images, emojis and voice messages.
GPS & Security Zones – XPLORA XGO 2 uses multiple services to show the location of the device. Security zones can be set up in important places, such as around the home or school.

61,99 €
05

Ucani

4G Smartwatch Children, Children's Phone Watch with Video Call, Voice Chat, GPS, SOS, School Mode, Alarm Clock, Pedometer, Games, Smart Watch for Boys Girls Children's Watch Gifts 4-12 Years (Dark

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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.

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Main highlights

Two Ways to Use This smart watch for boys and girls is easy to use. Simply insert a SIM card to start your child's smartwatch journey, and then unlock the app for additional features. In emergencies, the SOS function automatically contacts emergency contacts and at the same time an SOS message is sent to your parents' mobile phones. The one-touch call function provides extra security and easy communication
Schedule Usage Time: With this smart watch for kids, parents can use the app to enter class mode (customizable times, close games/calls, only SOS remains active), manage applications (activate apps/close, set usage time limits etc), check location history, set low battery reminder, activate silent mode and alarms, helping children develop good usage habits
Multifunctional smartwatch: A 4G smart watch specially designed for children aged 4 to 12 years and with clear touch screen and two stylish straps, it combines telephony, real-time tracking, learning and play tools such as games, pedometer and stopwatch. Whether for a birthday, Christmas or other festive occasions, it is a thoughtful gift that accompanies your child as they grow up and provide surprises
Easier Communication This smart watch for kids supports 4G video calls, voice chats and family group chats. Manage contacts by adding multiple family members and setting up a whitelist to effectively block unknown callers. So your child stays connected to you anytime and anywhere
4G GPS Kids Watch: This smart watch for kids allows precise real-time positioning. You can check your child's location at any time, view historical movement patterns and set up safe zones "geofencing". As soon as your child leaves one of these zones, you will immediately receive a notification on your smartphone - for more safety and clarity when your child plays outside

65,99 €
06

Fitbit

Google Fitbit Versa 4 - Smartwatch Women / Men - Fitness Tracker with Built-in GPS and Phone Function, 6 Days Battery Life, 40+ Training Modes - Fitness Watch Compatible with Android / iOS

15% Off

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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.

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Main highlights

Tools to monitor and improve sleep: personal sleep profile, sleep phase recording and sleep index, intelligent alarm clock and sleep mode
MADE FOR MORE FITNESS - Daily Form Index, Integrated GPS and Training Intensity Map, Tracking Active Zone Minutes, All-Day Activity Tracking & Permanent Heart Rate Monitor, 40+ Training Modes & Automatic Training Detection
For a healthy body and mind: stress management index, mood logs, SpO2, dashboard with health scores, guided breathing exercises, cycle tracking, mindfulness exercises
Designed for fitness and everyday use: display calls, messages, appointments and notifications from smartphone apps via Bluetooth, personalised dials, compatible with iOS 15 & Android OS 9.0, water resistant case up to 50 m depth, 6+ days battery life & quick charge function
Compatible with iOS 15 & Android OS 9.0
6+ days battery life & quick charge function. Water resistant housing up to 50 m deep
6 months of premium membership included for more in-depth analysis plus exclusive access to video workouts, the daily form index, and more.

119,00 € 140,29 €(15% Off off)
07

HUAWEI

HUAWEI Watch FIT 4 Smartwatch, GPS, Fitness Tracker with Sleep Tracking, Health Management, 2000 Nits, Up to 10 Days Battery Life, 5 ATM, Compatible with Android & iOS, Black

30% Off

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8.7

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.

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Main highlights

Wrist Health Insights: Dive into the Health Insights app, a novelty in the Huawei Watch Fit 4 Series, for first-class recommendations for a healthier lifestyle - from stress management tips to advice on improving sleep and optimising 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 27 g and is 9.5 mm 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 notifications in real time - all on your own conditions
Climb new heights: The Watch Fit 4 smartwatch is designed for adventurers and provides high-quality data on altitude, cumulative slope and air pressure thanks to its powerful barometer

119,00 € 169,00 €(30% Off off)
08

OBA

OBA Smartwatch 4G LTE Smart Watch Monitoring Health Cardio Case 49mm O2 Oxygen Fitness Built-in GPS IP67 Camera OMOLED Display Battery 1000Ah Smartphone in Only 49mm Watch S5

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8.6

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.

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Main highlights

Smartwatch 4G LTE, GPS, OMOLED display, IP67, HD camera, make and receive calls
Smartphone in only 49 mm
Oba Watch S5
Health monitoring, blood pressure, cardio, oxygen O2
Battery 1000 mAh
49 mm case

89,00 €
09

TiMOVO

TiMOVO USB Charging Cable, 1 Piece Smartwatch Charger Compatible with Xplora X5 Play/X5 Magnetic Charging Cable 100 cm Replacement Charger Cable USB Cable for Smart Watch Xplora X5 / X4, White 1

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8.4

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.

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Main highlights

Safe to use: it has a built-in voltage regulator that protects against short circuit and overload. It ensures that a stable current is delivered in the charger. It protects the power supply from overcurrent damage. So you can charge your smart watch safely.
Material: the charging body is made of ABS, which has excellent scratch resistance. The bottom is equipped with a non-slip pad so you can hold it securely and does not slip.
Magnetic charging: this USB charging cable uses magnetic charging to easily charge the charging area of the smartwatch. This improves the safety and speed of charging. You can also charge your watch by connecting the charging cable to a power source for PC, laptop or notebook.
Easy to use: this product is easy and safe to use. You can use them in the living room, study room, children's room, etc. The watch can be charged by carefully placing it in the charging station. It is also small and compact. It is easy to carry. So it is perfect for travel.
Compatibility: The magnetic charger is designed for the children's Xplora smartwatch. It is perfectly compatible with the models Xplora X5 Play, Xplora X5, X4. (Note: the charger is only compatible with the above models, not compatible with the Xplora XGO 2!)

6,99 €
10

kwmobile

kwmobile Compatible with XPLORA X5 / X5 Play / X4 USB Charging Cable - Charger for Smart Watch - Fitness Tracker Replacement Cable

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8.3

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.

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Main highlights

Reliable: the USB sports armband charging cable provides a fast and stable charging speed.
Practical charging: with the USB replacement charging cable in black, you can quickly charge your sports tracker and use the smartwatch again in everyday life or for your sporting activities.
Pleasantly long: thanks to the comfortable length of 100 cm, the charging cable cannot get tangled or unnecessarily tangled when charging.
Compatible with: XPLORA X5 / X5 Play / X4
A cable for on the go: the USB charging cable for your fitness tracker is perfect as a second cable. Whether in the office, at home or with friends: simply charge your sports bracelet anywhere with the replacement

6,99 €