HAYLOU RS4 Plus Smart Sport Watch Bluetooth 5.1 1.78 AMOLED Display SpO2 Heart Rate Sleep Monitor IP68 Waterproof Fitness Tracker 105 Workout Modes 230mAh 10 Days Battery Black Champagne Silver
HAYLOU RS4 Plus Smart Sport Watch Bluetooth 5.1 1.78 AMOLED Display SpO2 Heart Rate Sleep Monitor IP68 Waterproof Fitness Tracker 105 Workout Modes 230mAh 10 Days Battery Black Champagne Silver
HAYLOU RS4 Plus Smart Sport Watch with 1.78 AMOLED Display and 105 Workout Modes
The HAYLOU RS4 Plus combines a vibrant 1.78-inch AMOLED display with comprehensive health tracking – including heart rate, sleep, and blood oxygen monitoring – all packed into a slim, IP68-rated watch. With Bluetooth 5.1, 105 workout modes, and up to 10 days of battery life, it's a practical companion for daily fitness and health awareness. The watch is lightweight at just 57.6g and comes in Black, Champagne, or Silver.
Features and Construction
Built around a high-resolution AMOLED colour display and a suite of precise sensors, the RS4 Plus is designed to provide real-time health and activity data without being bulky.
Display and Resolution
The 1.78-inch AMOLED screen offers a sharp 368x448 pixel resolution, ensuring text and graphics are clear even in bright conditions. The touch-sensitive interface makes navigation smooth, while the always-on option keeps key stats visible.
Health Sensors
Equipped with a heart rate sensor, motion sensor, and SpO2 sensor, the watch tracks your pulse, sleep stages, and blood oxygen saturation throughout the day. Continuous 24-hour heart rate monitoring gives you a reliable baseline view of your cardiovascular performance.
Waterproofing and Build
With an IP68 water-resistance rating, you can wear the RS4 Plus while swimming or showering, and it is rated for operation between 0°C and 45°C. The 20mm strap is replaceable, and the overall weight of 57.6g makes it comfortable for all-day wear.
Uses and Placement
Whether you're training for a marathon or simply aiming for a more active lifestyle, the RS4 Plus adapts to your routine with over 100 modes and dependable battery life.
Fitness and Workout Tracking
Choose from 105 different workout modes – from running and cycling to yoga and dance – to capture accurate activity data. The watch automatically identifies motion type and syncs your stats to the Hayloo Fun app for detailed analysis.
Everyday Health Monitoring
Use the sleep monitor to understand your rest patterns, and check your SpO2 levels periodically for a fuller health picture. The 10-day battery life means you can wear it to bed without worrying about charging.
Smart Notifications and Connectivity
Bluetooth 5.1 keeps your watch paired with your Android or iOS phone for call, message, and app notifications. You can also control music playback and find your phone from the watch.
Benefits and Buying Value
The RS4 Plus delivers strong value by packing premium health sensors and a large AMOLED display into a water-resistant, long-lasting device at a competitive price point.
Battery Performance
The 230mAh battery provides approximately 10 days of usage with 24-hour heart rate monitoring turned on. Even with heavy use, you can expect between 5 and 7 days, depending on GPS and screen-on time.
Data Sync and Storage
All your health and activity data syncs wirelessly to the Hayloo Fun app, which is available for both Android 6.0 and iOS 11.0 or later. The app provides trend charts, workout summaries, and goal-setting tools.
Why Choose This Smartwatch
If you want a reliable, feature-rich sports watch that covers the essentials – heart rate, SpO2, sleep, 105 workout modes, and a bright AMOLED screen – without requiring daily charging, the HAYLOU RS4 Plus is a solid, no-fuss choice.
