HAYLOU RS4 Plus Smart Bluetooth Sports Watch with AMOLED Display and 105 Workout Modes

The HAYLOU RS4 Plus is a feature-packed smart sports watch designed for active individuals who want to monitor their fitness and health metrics. With its comprehensive sensor array including heart rate, motion and SpO2 monitoring, this watch provides detailed insights into your daily activity levels, workout performance and sleep patterns. The 1.78-inch AMOLED display delivers crisp visuals with a resolution of 368x448 pixels, ensuring your data is easy to read at a glance. Bluetooth 5.1 connectivity pairs the watch with your Android 6.0 or iOS 11.0+ smartphone, allowing data synchronisation through the dedicated Haylou Fun app where you can review your progress over time.

Features and Construction

The RS4 Plus combines multiple fitness tracking capabilities in a compact wearable design. Its construction incorporates several sensors that work together to provide a comprehensive picture of your health and activity throughout the day.

Material and Build

This sports watch features a case measuring 45.2mm by 37.2mm with a thickness of 10.4mm, creating a wearable profile suitable for daily use and exercise. The device weighs 57.6g including the strap, contributing to its lightweight feel on the wrist. An IP68 waterproof rating provides protection against water exposure, making the watch suitable for workouts that involve perspiration or brief immersion. The 20mm wide strap attaches securely to the case, though the specific strap material is not detailed in the available specifications.

Size and Practical Fit

With dimensions of 45.2mm × 37.2mm × 10.4mm, the RS4 Plus offers a balanced size that accommodates most wrist sizes without appearing overly bulky. The 20mm strap width provides adequate surface area for comfortable wear during extended periods, whether you're tracking daily activity or monitoring sleep overnight. The total weight of 57.6g including the strap ensures the watch remains unobtrusive during physical activities, reducing the likelihood of discomfort during running, cycling or other workout sessions.

Uses and Placement

This smartwatch serves multiple purposes from dedicated workout tracking to everyday health monitoring. Its combination of features makes it suitable for various scenarios where tracking physical activity and wellbeing indicators provides useful information.

Event or Professional Use

For athletes or fitness enthusiasts, the 105 workout modes allow detailed tracking of specific exercise types, providing data that can help refine training routines and monitor progress over time. The continuous heart rate monitoring function operates 24 hours a day when enabled, giving insights into cardiovascular responses during different activities and rest periods. SpO2 sensor data offers additional health metrics that some users may find valuable for understanding their body's oxygen saturation levels during and after physical exertion.

Everyday Home Use

Beyond dedicated exercise sessions, the RS4 Plus functions as a daily health companion with sleep monitoring capabilities that track your rest patterns overnight. The approximately 10-day battery life with continuous heart rate monitoring enabled reduces charging frequency compared to some alternatives, making it more convenient for uninterrupted wear. The Bluetooth connectivity enables regular synchronisation of your data to the Haylou Fun app on your smartphone, where you can review trends in your activity, heart rate and sleep quality over days, weeks or months.

Benefits and Buying Value

The combination of features in the RS4 Plus provides practical benefits for users seeking comprehensive activity tracking without frequent maintenance requirements. Its design balances functionality with practical considerations for daily wear.

Reuse and Low Maintenance

The IP68 waterproof rating allows the watch to withstand exposure to water during workouts, washing hands or caught in rain, reducing concerns about damage from moisture. With approximately 10 days of battery life when using continuous heart rate monitoring, the watch requires less frequent charging than some alternatives, supporting consistent wear and data collection. The included charging cable provides a straightforward method to replenish the 230mAh battery when needed, while Bluetooth connectivity eliminates the need for physical cables to transfer your fitness data to the companion app.

Why Choose This Product

The HAYLOU RS4 Plus offers a balance of display quality, sensor capabilities and battery life within its compact form factor. The 1.78-inch AMOLED display provides clear visibility of your metrics with its 368x448 resolution, while the 105 workout modes cover a extensive range of exercise types for detailed tracking. Available in Black, Champagne or Silver colour options, the watch offers some aesthetic choice to match personal preference. For users seeking a sports watch with comprehensive tracking features and extended battery performance, the RS4 Plus presents a capable option within the smart wearable category.