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Features & Compatibility
Haylou RS4 Plus Smart Watch
The Haylou RS4 Plus Smart Watch stands out as an ultra-stylish, feature-packed wearable designed for fitness enthusiasts, daily multitaskers, and active professionals seeking a premium wrist companion. Built with an expansive 1.78-inch Retina AMOLED display, a fluid 60Hz refresh rate, and an iconic magnetic strap system, this Haylou smart watch delivers a flagship visual experience alongside comprehensive biometric monitoring. Whether you are tracking intensive workout routines, checking instant app alerts, or monitoring your sleep recovery, the Haylou RS4 Plus ensures dependable, lightweight performance throughout the day.
Haylou RS4 Plus Smart Watch Specifications:
| Specification | Details |
|---|---|
| Brand | Haylou |
| Model | Haylou RS4 Plus |
| Compatibility | Android 6.0+ & iOS 11.0+ |
| Companion App | Haylou Fun |
| Dimensions | 45.2 × 37.2 × 10.4 mm |
| Weight | 57.6g (with strap) |
| Display | 1.78" Retina AMOLED Touchscreen |
| Resolution | 368 × 448 Pixels (326 PPI) |
| Refresh Rate | 60Hz Smooth Refresh Rate |
| Water Resistance | IP68 Dustproof & Waterproof Rating |
| Connectivity | Bluetooth 5.1 |
| Sensors | Optical Heart Rate Sensor, Motion Sensor, SpO2 Sensor |
| Fitness Tracking | 105 Multi-Sport Modes, Pedometer, Calorie & Distance Tracking |
| Health Monitoring | 24/7 Heart Rate, Blood Oxygen (SpO2), Sleep Analysis, Stress & Emotion Tracking, Female Health |
| Smart Features | Smart Notifications, Weather Forecast, Music Control, Camera Control, 100+ Online Watch Faces, Multi-UI Menu |
| Battery Capacity | 230 mAh |
| Battery Life | Up to 10 Days (24h Heart Rate Monitoring Enabled) / Up to 28 Days (Basic Mode) |
| Charging Type | Magnetic Charging |
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Key Features
- Expansive 1.78-inch Retina AMOLED display with 368 × 448 resolution and 326 PPI for sharp visual fidelity.
- Silky-smooth 60Hz refresh rate delivering ultra-responsive UI navigation and fluid touch transitions.
- Sleek metal frame paired with a skin-friendly, fast-fitting magnetic loop strap for seamless daily wear.
- 24-hour continuous biometric monitoring powered by accurate optical heart rate, motion, and SpO2 sensors.
- 105 multi-sport workout modes tailored for detailed indoor and outdoor fitness tracking.
- IP68 certified dustproof and waterproof build, ready for heavy workouts, rain, and daily handwashing.
- Long-lasting 230 mAh battery delivering up to 10 days of active use on a single charge.
- Multi-UI menu styles and over 100 customizable online watch faces via the Haylou Fun companion app.
- Comprehensive daily smart assistance with instant notifications, music controls, alarm clock, and weather alerts.
- Universal platform support across both Android 6.0+ and iOS 11.0+ devices.
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Design & Display
The Haylou RS4 Plus Smart Watch combines modern minimalism with robust engineering, featuring a lightweight 45.2 × 37.2 × 10.4 mm chassis weighing just 57.6g with its strap. Dominating the front is a vivid 1.78-inch Retina AMOLED display with a dense 368 × 448 resolution (326 PPI) and a fluid 60Hz refresh rate. Colors appear vibrant with deep contrast levels, ensuring seamless readability under bright ambient light. Paired with a convenient magnetic strap system, the Haylou RS4 fits wrists of all sizes comfortably without standard buckle adjustments, making it ideal for continuous day-and-night wear.
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Health Monitoring & Smart Productivity
Equipped with high-precision optical heart rate, motion, and SpO2 sensors, the Haylou RS4 Plus tracks blood oxygen saturation levels, resting heart rates, and daytime stress indicators around the clock. The device also offers detailed multi-stage sleep monitoring, tracking light, deep, and awake cycles alongside female reproductive health tracking. On the productivity side, Bluetooth 5.1 connectivity delivers real-time smartphone notifications, media playback control, weather forecasts, silent alarms, and stopwatch functions directly through the intuitive Haylou Fun app ecosystem.
Fitness Performance & Battery Endurance
Athletes and sports enthusiasts can leverage 105 multi-sport modes on the Haylou RS4 Watch to log active duration, real-time pace, and calorie expenditure across activities like running, cycling, hiking, and yoga. An IP68 waterproof rating protects internal hardware against sweat, dust, and rain showers during demanding outdoor sessions. The 230 mAh lithium battery is engineered for extended power efficiency, providing up to 10 days of continuous operation with 24/7 heart rate monitoring activated, and up to 28 days in basic standby mode with convenient magnetic dock charging.
Why Buy Haylou RS4 Plus Smart Watch?
The Haylou RS4 Plus Smart Watch delivers exceptional value by pairing a vibrant 60Hz Retina AMOLED display with reliable health tracking and a premium magnetic strap design. For users seeking an elegant, high-performance wearable that handles real-time fitness logging, continuous wellness checks, and smart notifications without frequent recharging, the Haylou RS4 Plus stands out as a top-tier choice in its price class.
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