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| Basic Information | ||
| Display | 2.5D Curved Glass | |
| Connectivity | Bluetooth 5.3 | |
| Supported Apps/ Software | Haylou Fun | |
| Sensor | Heart rate, SpO2, stress, sleep, menstrual cycle | |
| Battery | 380mAh | |
| Special Features | Bluetooth calling, GPS, 24/7 health monitoring, SOS emergency call, AI voice assistant, Strava integration | |
| Others | IP68 (rain & sweat-proof, not for swimming), 120+ sports modes, notifications, music control, remote camera control, Find My Phone/Watch, 100+ watch faces, Do Not Disturb, stopwatch/timer/calculator/flashlight | |
| Physical Specifications | ||
| Dimensions | 47.6 × 38.8 × 11.8 mm | |
| Weight | 45g | |
| Color | Silver | |
| Warranty Information | ||
| Warranty | 1 year | |
The Haylou Watch 4 with GPS calling is built for everyday convenience and active lifestyles, combining a large 1.93-inch HD TFT display with advanced health monitoring and smart notification support. In Bangladesh, this smartwatch is a practical choice for users who want a clear screen for messages and fitness insights, along with reliable outdoor tracking powered by built-in GPS and multi-satellite positioning. The silver finish adds a clean, modern look that suits both casual and formal outfits, while the lightweight design helps you wear it comfortably throughout the day.
Enjoy a bright, immersive viewing experience on the 1.93-inch HD TFT display, protected by 2.5D curved glass. The curved glass design improves edge-to-edge readability and gives the watch a more premium feel compared to flat, basic panels. Whether you’re checking call alerts, SMS previews, app notifications, or health metrics, the screen is designed to keep information easy to read at a glance—ideal for commuting, workouts, and quick daily check-ins.
With Bluetooth calling support, you can make and answer calls directly from your wrist using the built-in mic and speaker. This is especially useful when your phone is in your bag or pocket—like during errands, walking, or light workouts—so you can stay connected without constantly reaching for your device. The watch also supports call and message notifications, including app alerts such as WhatsApp and Facebook, helping you manage communication while staying active.
The Haylou Watch 4 includes built-in GPS for precise outdoor tracking, supporting multiple satellite systems including BDS, GPS, Galileo, GLONASS, and QZSS. This multi-satellite positioning helps improve location accuracy in different environments, making it a strong companion for runners, cyclists, and hikers. If you enjoy outdoor routes, this GPS capability helps you track your activity more confidently than watches that rely only on phone GPS.
Health monitoring is a core strength of the Watch 4. It provides 24/7 heart rate tracking with alerts, real-time blood oxygen (SpO₂) monitoring, and all-day stress monitoring to help you stay aware of your wellness trends. For recovery and lifestyle insights, it also supports advanced sleep tracking with light, deep, and REM analysis. If you’re building healthier routines, these features make it easier to notice patterns—such as how sleep quality and stress levels change over time—so you can adjust habits accordingly.
The smartwatch includes menstrual cycle management with fertility and period logging. This helps you keep track of important cycle information directly from your wrist, supporting more organized wellness planning. For many users, having these insights in a wearable format is more convenient than checking apps repeatedly throughout the day.
Stay motivated with activity tracking for steps, calories, and distance, plus 120+ sports modes such as running, cycling, swimming*, and hiking. Sports modes make it easier to select the right activity profile, while the watch’s fitness tracking helps you monitor progress over time. *Water resistance is IP68 (rain and sweat-proof, not for swimming), so it’s best to treat swimming as a supported mode rather than a guarantee for submersion.
Powered by a 380mAh battery, the Haylou Watch 4 is designed to match different usage needs. It supports up to ~7 days in typical mode, up to 15 days in basic mode, and around 24 hours in GPS mode. For practical ownership, this means you can wear it through busy weeks with fewer charges, and still get meaningful GPS performance for outdoor sessions. Charging is done via a magnetic charging cable, making it simple to top up at home or at your desk.
Beyond health and fitness, the watch includes helpful daily tools. It offers an SOS emergency call feature for quick emergency contact alerts, an AI voice assistant for voice commands (such as calls and weather), and music control for play/pause/skip. You can also use remote camera control by shaking to take photos, plus anti-loss features like Find My Phone/Watch. Additional utilities include a stopwatch, timer, calculator, and flashlight, while Do Not Disturb mode supports customizable settings for uninterrupted rest.
The Haylou Watch 4 works with the Haylou Fun app and supports Android 9.0+ and iOS 13.0+. It can integrate with Strava for fitness enthusiasts, making it easier to sync your training progress. For best results, pair the watch with your smartphone to receive notifications, manage settings, and review health and activity trends in the app.
The product comes with a 1-year warranty, giving you added confidence for everyday use in Bangladesh.
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