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Haylou

Haylou Watch 4 smartwatch

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Features of Haylou Watch 4

Product description of Haylou Watch 4 smartwatch

Description summary

About the Haylou Watch 4.

It offers an outstanding visual experience through a 1.93´´ HD screen.

It stands out for its GPS positioning system, something unusual in watches within the same price range.

In addition, it includes health monitoring functions, sports modes, and Bluetooth calling function.

1.93´´ HD screen.

It has a resolution of 320x380 px and an ultra-thin frame, achieving a large screen size in a compact design.

The watch includes a rotating wheel on the side to facilitate navigation through the menus and has IP68 water resistance.

Integrated GPS.

Compatible with 5 satellites, it ensures precise and fast positioning, whether you are on a running session in the city or a hike in the mountains.

Bluetooth v5.3 with calling function.

Once the watch is paired with your smartphone, you can conveniently receive and make calls while you train, travel, or work, receive messages and notifications from your most used applications. You will also have a voice assistant available that responds to simple commands.

Comprehensive health monitoring.

Thanks to the precise integrated optical sensor, the Watch 4 can obtain data on heart rate, oxygen saturation, monitor sleep hours, and stress level.

It also tracks the menstrual cycle and provides breathing exercises useful for reducing stress and fatigue.

Sports modes with Strava.

Get accurate data from each sports activity you perform, with more than 120 compatible sports.

You can also synchronize your data with the Strava application.

380 mAh battery.

With basic use, the Watch 4 provides up to 15 days of autonomy and 7 days in typical use.

In addition, if the GPS is activated for sports tracking, the watch reaches 24 hours with a full charge.

Technical specifications Haylou Watch 4 Black:.

General parameters.

Brand: Haylou.

Product: Smartwatch.

Model: Watch 4.

Color: Black.

Design.

Strap material: Silicone.

Water resistance rating: IP68.

Dimensions: 47.6x38.8x11.8 mm.

Screen.

Size: 1.93”.

Type: TFT.

Resolution: 320x380. Tactile: Yes.

Connectivity.

Connectivity: Bluetooth v5.3.

System requirements: Android 9 and higher, iOS 13 and higher.

Application: Haylou Fun.

Sensors.

Heart rate.

Pedometer.

Sleep tracking.

Menstrual cycle.

Stress levels.

SPO2.

Battery.

Capacity: 380 mAh.

Battery life (typical daily use): 7-15 days.

Charging method: Magnetic.

Package contents.

1 x Haylou Watch 4 Black.

1 x Charging cable.

1 x User manual.

Specifications

Manual

Technical specifications of Haylou Watch 4

  • Dimensions

    47.6x38.8x11.8 mm

  • Display Type

    TFT

  • Screen Size

    1.93”

  • Resolution

    320x380 p

  • Touchscreen

    Yes

  • Wireless Connectivity

    Bluetooth v5.3

  • GNSS Support

    5 satellites

  • GPS

    Yes

  • Heart Rate

    Yes

  • Water Resistance Rating

    IP68

  • Smart Notifications

    Yes

  • Call Handling

    Yes

  • Color

    Black

  • Features

    Wrist heart rate

Features of Haylou Watch 4

Color Black

Color

Black

Features Wrist heart rate

Features

Wrist heart rate

Key differentiators

Bluetooth calling functionality for convenient, hands-free communication

Comprehensive health monitoring, including heart rate and sleep tracking

Integrated GPS for precise location and activity tracking

IP68 water resistance for durability in various conditions

Long-lasting battery life of up to 15 days on a single charge

Technology in Haylou Watch 4 smartwatch

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Haylou Watch 4 smartwatch

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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-07-20

Generated by AI and verified

Haylou Watch 4 smartwatch

What health monitoring features does the Haylou Watch 4 offer?

Answer of Generated by AI and verified

The Haylou Watch 4 provides comprehensive health monitoring with an integrated optical sensor. It tracks your heart rate, blood oxygen saturation (SpO2), sleep hours, and stress level.

* Generated by AI based on customer and product data

2026-07-20

Generated by AI and verified

Haylou Watch 4 smartwatch

How does the Haylou Watch 4 compare to the Colmi V65 Smartwatch for fitness tracking?

Answer of Generated by AI and verified

The Haylou Watch 4 features a built-in GPS system for precise and fast positioning during outdoor activities. It also offers over 120 sports modes and allows you to synchronize your workout data with the Strava application.

* Generated by AI based on customer and product data

2026-07-20

Generated by AI and verified

Haylou Watch 4 smartwatch

What is the battery life of the Haylou Watch 4?

Answer of Generated by AI and verified

The battery performance varies by usage. It provides up to 15 days of autonomy with basic use, 7 days with typical use, and up to 24 hours with the GPS activated for continuous sports tracking.

* Generated by AI based on customer and product data

2026-07-20

Generated by AI and verified

Haylou Watch 4 smartwatch

Can I use the Haylou Watch 4 for swimming?

Answer of Generated by AI and verified

While it can handle splashes and rain, it's best to check the manufacturer's guidelines for activities like swimming.

* Generated by AI based on customer and product data

2026-07-20

Generated by AI and verified

Haylou Watch 4 smartwatch

Is the Haylou Watch 4 compatible with my smartphone?

Answer of Generated by AI and verified

Yes, the Haylou Watch 4 is designed to work with both Android and iOS devices. It requires a smartphone running Android 9 and higher or iOS 13 and higher for full functionality.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Daily Step and Activity Tracking 90% Fit

This watch is a great companion for tracking your daily movements, from steps to calories burned. The long battery life means you can reliably monitor your activity all day, every day, without constant charging.

15-day battery life,Heart rate monitor,Silicone strap

Beginner Fitness and Workout Monitoring 90% Fit

Perfect for those starting their fitness journey, this watch tracks essential metrics like heart rate and workout duration. The built-in GPS allows you to accurately record your routes for outdoor activities like walking, running, or cycling.

GPS,Heart rate monitor,IP68 water resistance

Sleep Quality Monitoring 80% Fit

Understand your sleep patterns to improve your overall well-being. The watch's sleep tracking feature provides insights into your rest, helping you make adjustments for a healthier lifestyle.

Sleep tracking,15-day battery life,Comfortable silicone strap

Outdoor Activities and Light Sports 75% Fit

With IP68 water resistance, this watch can handle sweat, rain, and splashes, making it a reliable choice for outdoor walks, hikes, and light sports. The durable silicone strap ensures a comfortable fit during activity.

IP68 water resistance,GPS,Silicone strap

Basic Smartwatch Functionality 95% Fit

Stay connected without constantly checking your phone. This watch uses Bluetooth 5.3 to deliver notifications for calls, messages, and apps directly to your wrist, offering great everyday convenience.

Bluetooth 5.3,TFT display,15-day battery life

Best for

Ideal for Health-Conscious Users

This watch provides comprehensive health insights with its heart rate monitor, sleep tracking, and health alert capabilities, making it easy to stay informed about your well-being.

Based on product features

Great for Casual Activity Tracking

With built-in GPS and advanced fitness tracking features, this user-friendly watch is perfect for monitoring daily activities like walking, running, or cycling without complexity.

Based on product features

Perfect for First-Time Smartwatch Owners

Offering essential features like smartphone integration, a long 15-day battery life, and a comfortable silicone strap, this watch is a practical and easy-to-use choice for new users.

Based on product features

Best

The combination of simple operation, clear health data from the heart rate monitor, and peace of mind from health alerts makes this an excellent choice for staying active and connected.

Based on product features

Benefits

Ideal buyer profiles

The Health-Conscious Planner

This individual is proactive about their well-being and seeks detailed insights into their daily health metrics. They value tools that help them monitor key vitals, track sleep patterns, and stay informed about their body's status throughout the day and night.

The Haylou Watch 4 is an excellent match, offering an integrated heart rate monitor and sleep tracking to provide a holistic view of their health. The impressive 15-day battery life ensures continuous monitoring without the inconvenience of frequent charging, allowing them to consistently track their wellness journey.

The Data-Driven Athlete

This user is focused on improving their athletic performance by leveraging data. They need a reliable device to track workouts, monitor progress, and analyze performance metrics to achieve their fitness goals, whether they're running, cycling, or engaging in other activities.

With built-in GPS for precise tracking and a heart rate monitor for performance analysis, this watch provides the essential data they need. The IP68 water resistance and durable silicone strap mean it can withstand rigorous training sessions, making it a dependable partner for their fitness pursuits.

The Connected Multitasker

This person balances a busy lifestyle and wants a smartwatch that seamlessly integrates with their digital life. They prioritize convenience, staying connected with notifications, and using a device that complements their tech ecosystem without being overly complex.

Featuring Bluetooth 5.3 connectivity, the Haylou Watch 4 ensures a stable and efficient connection to their smartphone for notifications and data syncing. The clear TFT display provides easy access to information, helping them stay organized and connected on the go.

Competitive features

When evaluating the Haylou Watch 4 Smartwatch alongside other options, its key differentiators become clear. While many smartwatches offer basic activity tracking, the Haylou Watch 4 includes specific features that set it apart, particularly for users who value navigation and a high-quality display.

Where it excels

The most significant advantage of the Haylou Watch 4 is its integrated GPS system. Compatible with 5 satellite systems, it delivers precise and rapid positioning, a feature not always found in this category. This makes it a strong choice for outdoor activities like running or hiking where accurate route tracking is essential. | It boasts a large 1.93-inch HD screen with a 320x380 pixel resolution, providing an outstanding visual experience for viewing notifications and health data. The ultra-thin frame enhances the screen-to-body ratio, offering a large display in a compact design. | With an IP68 water resistance rating, the Haylou Watch 4 is well-protected against dust and water, making it suitable for use during workouts and in various weather conditions.

Consider alternatives if...

The provided information does not include details on battery life, charging time, or specific compatibility with operating systems. If long battery endurance or fast charging are your highest priorities, you may need to evaluate other options where this information is specified.

Verdict

The Haylou Watch 4 Smartwatch is a compelling option for individuals seeking a device with a high-quality display and, most notably, built-in GPS for accurate location tracking. Its Bluetooth calling function and IP68 rating add significant value. It stands out for its navigational capabilities in a market segment where this feature is often omitted.

Specs comparison

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Battery Life15 days10 hours7 hours10 hours-
Gpstruefalse---
Screen Size Inches1.9 1.2 - 1.81.9 cm1.4 cm1.4 cm-

Specs vs competitors

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Battery Life15 days20 days20 hours-15 hours
Charging Time1--1.51.5
Screen Size Inches1.9 1.2 - 1.84.3 cm1.5 cm1.5 cm1.8 cm
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