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

The HAYLOU RS4 Plus smart sports watch combines detailed fitness tracking with a clear 1.78-inch AMOLED display, designed for users who monitor multiple activity types. With 105 specific workout modes, it records data across a wide range of sports, while 24-hour heart rate monitoring provides continuous health insights. Bluetooth 5.1 connectivity pairs with Android 6.0 or higher and iOS 11.0 or higher smartphones, syncing data to the Haylou Fun platform. The watch offers practical battery management, delivering approximately 10 days of use when heart rate monitoring is active, reducing charging frequency for regular users.

Features and Construction

The HAYLOU RS4 Plus is built around its core tracking functions and durable construction, balancing functionality with everyday wearability.

Material and Build

The watch case measures 45.2mm in width, 37.2mm in height, and 10.4mm in thickness, housing a 1.78-inch AMOLED display with a resolution of 368 by 448 pixels for sharp graphics and text. An IP68 water-resistance rating protects the internal components from dust and water immersion, making it suitable for sweaty workouts and accidental splashes. The device incorporates a heart rate sensor, an SpO2 sensor for blood oxygen monitoring, and a motion sensor to capture activity data accurately.

Size and Practical Fit

Weighing 57.6 grams including the strap, the watch maintains a lightweight profile for all-day comfort during sports and daily wear. The strap is 20mm wide, providing a secure fit on the wrist, and is available in black, champagne, or silver colour options to match personal style. Its operating temperature range of 0°C to 45°C ensures reliable performance in various environments, from chilly morning runs to warm indoor gym sessions.

Uses and Placement

This smartwatch serves both dedicated fitness enthusiasts and general health-conscious users through its versatile tracking capabilities.

Event or Professional Use

For athletic training, the 105 workout modes allow precise tracking of running, cycling, swimming, and many other sports, giving athletes detailed post-session metrics. The 24-hour heart rate monitoring function provides continuous data that can help identify resting heart rate trends and exercise intensity levels over time. The IP68 rating supports use in wet conditions, allowing wear during rain or poolside activities without immediate concern for water damage.

Everyday Home Use

Daily wear is supported by the 10-day battery life, reducing the need for frequent charging compared to some daily-charge smartwatches. The Bluetooth 5.1 connection syncs activity, sleep, and health data seamlessly to the Haylou Fun app on a paired smartphone, consolidating information for review. The AMOLED display offers clear visibility for checking notifications, time, and fitness stats indoors and outdoors with its bright, detailed screen.

Benefits and Buying Value

The HAYLOU RS4 Plus delivers value through extended battery life, comprehensive tracking, and durable construction for regular use.

Reuse and Low Maintenance

The 230mAh battery supports approximately 10 days of use with heart rate monitoring active, meaning fewer charging interruptions and consistent tracking. The IP68 construction reduces worry about damage from sweat, rain, or accidental submersion, potentially extending the device's functional lifespan with proper care. Standard charging via the included cable and straightforward app connectivity minimise setup complexity for most users.

Why Choose This Product

This watch provides a balance of a high-resolution AMOLED display, extensive workout mode selection, and strong battery life within a specific price segment. Its sensor suite covers heart rate, SpO2, and motion tracking, offering foundational health metrics without requiring separate devices. The combination of 105 activity modes, 10-day battery, and IP68 rating makes it a practical choice for users seeking detailed tracking with reduced maintenance.