1. Introduction and Overview
The HAYLOU Solar Plus RT3 is a feature-rich smartwatch designed to enhance your daily life and fitness journey. It boasts a vibrant 1.43-inch AMOLED display, supports Bluetooth calling, offers 105 sports modes, and provides comprehensive health monitoring including heart rate, SpO2, sleep, and stress tracking. With IP68 professional water resistance and a long-lasting battery, it's built to endure your active lifestyle.
Video: Unboxing and feature overview of the HAYLOU Solar Plus RT3 Smart Watch.

Image: Key features of the HAYLOU Solar Plus RT3, including SpO2 measurement, 24/7 heart rate monitoring, and IP68 waterproof rating.
2. Setup Guide
2.1 Package Contents
- HAYLOU Solar Plus RT3 Smart Watch
- Charging Cable
- User Manual

Image: HAYLOU Solar Plus RT3 Smart Watch retail packaging.
2.2 Charging the Device
Before initial use, fully charge your smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. The watch display will indicate charging status.
2.3 App Installation and Pairing
- Download the App: Search for "Haylou Fun" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS) or scan the QR code provided in the quick start guide.
- System Requirements: Ensure your smartphone runs Android 6.0 or above, or iOS 11.0 or above.
- Enable Bluetooth: Turn on Bluetooth on your smartphone.
- Open Haylou Fun App: Launch the app and follow the on-screen instructions to create an account or log in.
- Add Device: In the app, navigate to the device section and select "Add Device" or a similar option. Choose "HAYLOU Solar Plus RT3" from the list of available devices.
- Confirm Pairing: A pairing request will appear on your watch and phone. Confirm the pairing on both devices.
- Complete Setup: Follow any remaining prompts in the app to complete the setup process, including granting necessary permissions for health tracking and notifications.
3. Operating Instructions
3.1 Display and Navigation
The HAYLOU Solar Plus RT3 features a 1.43-inch AMOLED round screen with a 466*466 pixel resolution, offering a clear and precise visual experience. The watch is equipped with two physical buttons and a special rotary crown for easy navigation.
- Touch Screen: Swipe left, right, up, or down to navigate through menus and functions. Tap to select.
- Rotary Crown: Long press or twist the rotary crown to operate the watch easily, such as scrolling through lists or adjusting settings.
- Always-On Display (AOD): The AOD feature allows you to view the time, battery condition, steps, and messages even when other watch features are inactive, keeping you informed at all times.

Image: Detailed view of the 1.43" AMOLED display with 466*466 pixel resolution and 2.5D curved glass.

Image: The Always-On Display feature showing time and basic metrics.
3.2 Watch Faces
Personalize your watch with over 100 watch faces available through the Haylou Fun app. Custom watch faces can also be created to match your mood and outfit. New watch faces are added gradually via OTA updates.

Image: A selection of versatile watch faces available for the device.
3.3 Bluetooth Phone Call
With Bluetooth voice call functionality, you can answer calls directly from your wrist, freeing your hands during workouts or cooking. Stay connected anytime, anywhere.

Image: Demonstrating the Bluetooth phone call feature.
3.4 Health Monitoring
The watch provides comprehensive health management features:
- Heart Rate Monitoring: Supports 24-hour heart rate monitoring, real-time generation of heart rate curves, and abnormal heart rate alerts.
- SpO2 Tracking: Raise your wrist to test your blood oxygen level and keep your health under control.
- Sleep Monitoring: Records different sleep stages to help you understand your sleep patterns and develop healthier habits.
- Stress Monitoring: Real-time detection of physical and mental state. When stressed, use the breathing training guide to adjust your breathing rhythm.
- Female Cycle Management: One-tap record management of menstrual and ovulation periods, with intimate reminders.
*Monitoring data and results are for reference only, not for diagnosis or treatment.

Image: All-day heart rate monitoring interface.

Image: SpO2 (blood oxygen) tracking interface.

Image: Sleep quality monitoring in action.

Image: Mood and stress monitoring features.

Image: Menstrual cycle management interface on the app and watch.
3.5 Sport Modes
The high-efficiency motion sensor supports over 100 workout modes, acting as an all-round coach on your wrist to help you challenge yourself and track your activities.

Image: Illustration of 105 sport modes, including running, cycling, yoga, and more.
3.6 Other Practical Functions
The Haylou Solar Plus RT3 offers diversified functions that integrate with your phone and daily life:
- Time Function
- Sedentary Reminder
- Music Control
- Find Phone
- Message Reminder
- Weather Notification
- Calculator
- And more...

Image: Visual representation of additional practical functions.
4. Maintenance
4.1 Water Resistance (IP68)
The watch is IP68 waterproof, meaning it can meet daily waterproof needs. You don't need to take it off when washing hands, and it can cope with sweating during workouts or stormy rains.
Important Limitations:
- Do not wear for swimming, showering, sauna, surfing, or other high-speed water activities.
- Damage caused by immersing the device in liquid when used in an inapplicable scenario is not covered by the warranty.

Image: Demonstrating the IP68 professional water resistance.
4.2 Battery Care
The watch offers approximately 7 days of battery life under daily usage mode (with all-day heart rate and sleep monitoring, call/message reminders, Bluetooth calls, and regular exercise). In basic usage mode (default watch face, all-day sleep monitoring, Bluetooth off, continuous heart rate monitoring), it can last up to 20 days. To prolong battery life, avoid extreme temperatures and use the provided charging cable.

Image: Battery life estimates for daily and basic usage modes.
4.3 Cleaning
Wipe the watch and strap with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials that could damage the device.
5. Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Pairing issues: Make sure Bluetooth is enabled on your phone and the watch is within range. Restart both devices and try pairing again through the Haylou Fun app.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Keep the sensor clean. Remember that monitoring data is for reference only.
- Notifications not appearing: Check app permissions on your phone to ensure the Haylou Fun app has access to notifications. Also, verify notification settings within the app.
- Language support: The watch supports multiple languages including English, Russian, Spanish, Polish, Portuguese, Italian, French, Ukrainian, Chinese Simplified, Belarusian, Vietnamese, German, and Turkish. If your desired language is not displayed, check the app settings for language options.
- App compatibility: The Haylou Fun app is the primary application for this smartwatch. Compatibility with third-party apps like Strava is not officially guaranteed and may vary.
- Bluetooth range: Bluetooth 5.2 offers a stable connection, but its range can be affected by obstacles and environmental interference. For optimal performance, keep your phone relatively close to the watch.
6. Specifications
| Attribute | Value |
|---|---|
| Product Name | HAYLOU Solar Plus RT3 Smart Watch |
| Model | HAYLOU RT3 (LS16) |
| Sensors | Heart Rate Sensors, Blood Oxygen Sensors, Acceleration Sensors |
| Bluetooth Connection | Bluetooth 5.2 |
| Storage Capacity | 128Mb (16MB) |
| Display | 1.43-inch AMOLED Display, 466*466 Resolution |
| Battery Capacity | 280mAh |
| Battery Life (Heart Rate on All Day) | 7 Days |
| System Requirements | Android 6.0 and Above; iOS 11.0 and Above |
| Rated Dustproof/Waterproof | IP68 |
| APP Name | Haylou Fun |
| Sport Modes | 105 Sports Modes |
| Features | Bluetooth Call, Heart Rate Monitoring, Blood Oxygen Detection, Emotion Detection, Stress Detection, Sleep Detection, Always-On Display |
| Languages Supported | English, Russian, Spanish, Polish, Portuguese, Italian, French, Ukrainian, Chinese Simplified, Belarusian, Vietnamese, German, Turkish |
| Band width | 22mm |
| Weight | 49.5g (including strap) |
| Main body size | 45*45*10.1 (mm) |
| Working temperature | 0°C~45°C |
| Case Material | Alloy |
| Band Material | Silica Gel |
| Touch Screen | Yes |
| Multiple Dials | Yes |
| GPS | No |
| Voice assistant built-in | No |
| WIFI | No |
| SIM Card Available | No |
| Rear Camera | None |
| Movement Type | Electronic |
| Style | SPORT |
| Application Age Group | Adult |
| Screen Shape | Round |
| APP Download Available | Yes |
| Battery Detachable | No |
| Mechanism | Yes |
| Band Detachable | Yes |
| Certification | CE |
7. User Tips
- Global Version: This is a global version of the HAYLOU Solar Plus RT3, ensuring broad compatibility and language support.
- Original Product: Rest assured, all HAYLOU products displayed are 100% real and original.
- Product Quality Assurance: Products are carefully checked before shipping. If you require the sealed box to be opened and the smartwatch tested prior to shipment, please specify this in your order.
- Bluetooth Connection: While Bluetooth 5.2 provides a strong connection, environmental factors can affect range. For best results, keep your paired smartphone within reasonable proximity.
8. Warranty and Support
8.1 Product Warranty
The HAYLOU Solar Plus RT3 Smart Watch comes with a 12-month warranty from the date of purchase, covering manufacturing defects.
8.2 Defective Goods and Returns
If you receive a defective product, please contact customer support immediately with videos or photos illustrating the issue. We will endeavor to resolve the problem promptly.
For product returns, please contact us within 3 days of receiving your order. All returned goods must be in their original packaging with all accessories. The customer is responsible for shipping charges on returned items.
Refunds will be processed once the returned goods are received and inspected.
8.3 Lost or Damaged Shipments
In the event that your package is lost or arrives damaged, please contact customer support. We will arrange for a refund or reshipment of your order.





