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

The HAYLOU RS4 Plus smart sports watch combines comprehensive fitness tracking with everyday practicality through its multiple sensors and smartphone connectivity. This device monitors your heart rate, blood oxygen levels, and movement patterns throughout the day and night, providing insights into both your activity and sleep quality. With Bluetooth 5.1 connectivity, it syncs seamlessly with the Haylou Fun platform on Android 6.0 or later and iOS 11.0 or later smartphones, allowing you to review your data and track progress across 105 different exercise modes. The IP68 waterproof rating means you can wear it during swimming sessions or intense workouts without concern, while the 10-day battery life with continuous monitoring ensures minimal charging interruptions.

Features and Construction

The HAYLOU RS4 Plus incorporates several key technical specifications that define its functionality and user experience. From its display technology to its sensor array, each component serves a specific purpose in delivering comprehensive health and fitness data.

Material and Build

The device measures 45.2mm in width, 37.2mm in height, and 10.4mm in depth, creating a compact form factor suitable for continuous wear during both day and night. Weighing 57.6 grams with the strap attached, it provides a lightweight presence on your wrist that minimises distraction during activities or sleep. The 20mm wide strap allows for secure fitting while maintaining comfort through various movement patterns and positions.

Size and Practical Fit

With dimensions of 45.2mm by 37.2mm by 10.4mm, the watch presents a balanced size that accommodates clear information display without excessive bulk. The 20mm strap width provides sufficient surface area for secure fastening while distributing pressure evenly across the wrist. These measurements contribute to a device that remains comfortable during extended wear periods, whether for fitness tracking or sleep monitoring purposes.

Uses and Placement

This smartwatch serves multiple functions across different aspects of daily life, from structured exercise sessions to general wellness monitoring. Its combination of sensors and connectivity options enables tracking in various scenarios while maintaining practicality through its design specifications.

Event or Professional Use

The 105 workout modes allow detailed tracking across diverse exercise types, from running and cycling to more specialised training activities. The IP68 waterproof rating ensures functionality continues during swimming sessions or workouts involving significant perspiration. Bluetooth 5.1 connectivity enables real-time data synchronisation with your smartphone, allowing immediate review of performance metrics through the Haylou Fun platform.

Everyday Home Use

Beyond structured exercise, the device monitors daily activity patterns and sleep quality through its combination of heart rate, motion, and SpO2 sensors. The approximately 10-day battery life with continuous heart rate monitoring reduces charging frequency, supporting uninterrupted tracking of daily rhythms and rest patterns. Operating within a 0°C to 45°C temperature range ensures reliable performance across typical indoor and outdoor conditions encountered in daily life.

Benefits and Buying Value

The HAYLOU RS4 Plus offers practical advantages through its technical specifications and design approach, providing specific functionality without unnecessary complexity. Its value emerges from how these features combine to deliver comprehensive tracking capabilities within a manageable device format.

Reuse and Low Maintenance

The approximately 10-day battery life with 24-hour heart rate monitoring enabled minimises charging frequency, supporting continuous use patterns without daily power management concerns. The IP68 waterproof rating reduces cleaning concerns after exposure to water during workouts or daily activities. Standard charging via the included cable simplifies power restoration without requiring specialised equipment or procedures.

Why Choose This Product

This smartwatch combines multiple tracking functions within a single device, monitoring heart rate, blood oxygen, movement, and sleep patterns through dedicated sensors. The 1.78-inch AMOLED display with 368x448 resolution provides clear visibility of data and notifications in various lighting conditions. Compatibility with both Android and iOS devices through the Haylou Fun platform ensures broad smartphone support without operating system limitations.