HAYLOU RS4 Plus Smart Bluetooth Sports Watch with AMOLED Display and IP68 Waterproof Rating

The HAYLOU RS4 Plus is a smart sports watch designed to monitor your daily activity, sleep patterns, and exercise routines. It connects via Bluetooth 5.1 to your smartphone running Android 6.0 or iOS 11.0 and above, syncing data to the Haylou Fun platform. With its 1.78-inch AMOLED display and comprehensive sensor suite including heart rate and SpO2 monitoring, this watch provides clear visibility of your health metrics. The device supports 105 different workout modes, covers a wide temperature operating range, and offers practical water resistance for active use.

Features and Construction

The watch combines a detailed display with multiple sensors in a compact case designed for all-day wear and activity tracking.

Material and Build

The watch case measures 45.2mm by 37.2mm by 10.4mm and is constructed to house the 1.78-inch AMOLED display, which has a resolution of 368 by 448 pixels for sharp text and graphics. It uses a 20mm wide strap that is interchangeable, contributing to an overall weight of 57.6 grams when worn. The build includes an IP68 water-resistance rating, which means it is protected against dust ingress and can withstand immersion in water under defined conditions, making it suitable for sports and daily use.

Size and Practical Fit

With case dimensions of 45.2mm in width, 37.2mm in height, and 10.4mm in thickness, the watch presents a balanced profile on the wrist. The 20mm strap width provides a secure fit, and the total weight of 57.6 grams including the strap offers a comfortable feel for continuous wear. The device operates within a temperature range of 0°C to 45°C, ensuring reliable performance in various environments, from cool mornings to warm indoor gym sessions.

Uses and Placement

This smartwatch serves multiple functions from fitness tracking to everyday notification management, supported by its sensor array and connectivity.

Event or Professional Use

For sports and exercise, the watch provides 105 dedicated workout modes to track different activities accurately. The continuous 24-hour heart rate monitoring and SpO2 sensor deliver data on your cardiovascular effort and blood oxygen levels during training and recovery periods. The IP68 rating allows you to wear the watch in conditions where it might be exposed to sweat, rain, or brief water contact, adding to its utility for athletes and active individuals.

Everyday Home Use

In daily life, the watch monitors your sleep patterns and general activity levels throughout the day. The AMOLED display clearly shows notifications from your connected smartphone, and the Bluetooth 5.1 connection ensures stable sync with the Haylou Fun app. With approximately 10 days of battery life from its 230mAh cell when using continuous heart rate monitoring, you can wear it for extended periods without frequent charging interruptions.

Benefits and Buying Value

The HAYLOU RS4 Plus offers a combination of display clarity, battery longevity, and comprehensive tracking in a water-resistant package.

Reuse and Low Maintenance

The watch is designed for repeated daily use, with its IP68 construction reducing concerns about damage from moisture or dust during activities. The approximately 10-day battery life minimises how often you need to charge the device, and the standard charging cable makes replenishing the 230mAh battery straightforward. Operating within the 0°C to 45°C range means it can be worn in many typical environments without performance issues.

Why Choose This Product

This smartwatch provides a clear 1.78-inch AMOLED display, continuous health monitoring sensors, and support for 105 workout modes in one device. Its IP68 rating offers practical water and dust resistance for active lifestyles, while the 10-day battery life allows for extended use between charges. The package includes everything needed to start using the watch immediately, with colour options of black, champagne, or silver to match personal preference.