HAYLOU Watch 4S GPS Smartwatch 1.43” HD AMOLED Display 5 Satellite GPS Positioning 120+ Workout Modes Sport Fitness Smart Watch
Specifications
| Brand | Haylou |
| Model | HAYLOU Watch 4S |
| Product Type | Smart Watch |
| Launch Date | 2025 |
| Display | 1.43-inch AMOLED, Round |
| Resolution | 466 × 466 |
| Screen Material | AMOLED with Coated Glass |
| Touch Screen | Yes |
| Band Material | Silicone |
| Band Width | 22mm |
| Clasp | Pin Buckle |
| Bluetooth | Bluetooth 5.3 |
| GPS | Yes, 5 Satellite Positioning Systems |
| GPS Sport Mode | Up to 26 hours |
| Battery Capacity | 400mAh, 3.8V Lithium-Ion Polymer |
| Battery Life | 10 days Everyday Use / 18 days Basic Use |
| Health Tracking | Heart Rate, Sleep, Stress, Women's Health, Activity |
| Workout Modes | 120+ workout modes |
| Watch Faces | 200+ |
| Voice Assistant | Built-in AI Voice Assistant |
| Calling | Bluetooth Calling, Make/Answer Calls, SOS Emergency Call |
| Water Resistance | 1ATM / Life Waterproof |
| App | Haylou Fun |
| Compatibility | All Compatible |
| Certification | CE |
Key Features
- 1.43-inch HD AMOLED display with 466 × 466 resolution.
- Built-in GPS with five satellite positioning systems for outdoor activity tracking.
- Bluetooth 5.3 with Bluetooth calling and SOS emergency call support.
- 120+ workout modes with calorie tracking, pedometer, workout recording and goal-achieved reminders.
- 24-hour health monitoring including heart rate, sleep, stress and women's health tracking.
- Breathing training, sedentary reminder, hydration reminder and exercise heart-rate alerts.
- 200+ watch faces with built-in, online and custom watch-face options.
- AI voice assistant, smart notifications, music control and remote camera shutter.
- Supports synchronization with Strava according to the supplied product information.
- Stainless steel rotating crown and 22mm silicone strap.
- Battery modes listed as 10 days Everyday Use, 18 days Basic Use and up to 26 hours in GPS Sport Mode.
Smart Functions
Communication: Incoming call reminders, Bluetooth calls, make/answer calls, smart message notifications and voice assistant.
Fitness: Step counting, distance, calories, pace, workout recording, GPS sports tracking and 120+ workout modes.
Health: Heart-rate monitoring, sleep monitoring, stress monitoring, menstrual-cycle tracking, breathing training and exercise heart-rate alerts.
Daily Tools: Alarm, timer, stopwatch, calendar, weather, calculator, flashlight, games, find phone/watch, DND mode and power-saving mode.
Remote Control: Music control and shake-to-take-photo remote shutter.
Information Notifications
The supplied information lists notifications for Twitter, Facebook, Gmail, WhatsApp, Messenger, QQ, WeChat, TALK, News, TikTok, LINE, YouTube and other information services.
Supported Languages
English, Chinese, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Polish, Russian, Dutch, Turkish, Bengali, Indonesian, Czech, Thai, Persian, Hebrew, Slovak, Hungarian, Ukrainian, Vietnamese and Malay.
What's in the Box
- HAYLOU Watch 4S Smartwatch with standard strap
- Charging Cable
- Instruction Manual
Health-monitoring functions are intended for reference and fitness use and are not a substitute for professional medical measurement or diagnosis.
FAQ
Does the HAYLOU Watch 4S have GPS?
Yes. The supplied specifications list GPS with five satellite positioning systems and a GPS Sport Mode rated for up to 26 hours.
Can I make and answer calls from the watch?
Yes. It supports Bluetooth calling, making and answering calls, incoming call reminders and an SOS emergency call function.
How long does the battery last?
The source lists up to 10 days in Everyday Use Mode, 18 days in Basic Use Mode and up to 26 hours in GPS Sport Mode.
What health features are available?
The watch supports heart-rate, sleep, stress and women's health monitoring, along with breathing training, sedentary reminders, hydration reminders and exercise heart-rate alerts.
How many watch faces are available?
The supplied product information lists 200+ watch faces, including built-in, online and custom watch-face options.
Is the watch waterproof?
The source lists both Life Waterproof and a 1ATM waterproof rating.
Which app is used with the watch?
The supplied specifications identify Haylou Fun as the app and data-sync platform.
Product Gallery
Shipping Policy
At Mysa World, we are committed to delivering your orders quickly, safely, and efficiently across the United Kingdom.
Order Processing Time
All orders are processed within 3–5 business days from the date of purchase.
- Orders are processed Monday to Friday (excluding public holidays).
- Orders placed on weekends or holidays begin processing the next business day.
- Processing times may be extended during peak seasons, promotions, or sales events.
Once dispatched, you'll receive a shipping confirmation email with tracking details (where applicable).
Shipping & Delivery Time
Estimated UK delivery: 5–10 business days after dispatch.
Delivery times may vary due to:
- Courier delays
- Weather conditions
- High shipping volumes
- Remote delivery locations
Shipping Coverage
We currently ship throughout the United Kingdom, including:
- England
- Scotland
- Wales
- Northern Ireland
International shipping is not currently available unless stated otherwise on specific product listings.
Shipping Charges
Shipping charges (where applicable) are calculated at checkout based on:
- Delivery location
- Product size and weight
- Promotional free shipping offers
We may occasionally offer free shipping promotions, which will be clearly advertised on our website.
Order Tracking
Once shipped, you'll receive:
- Courier details
- Tracking number
- Shipment tracking link
Please allow 24–48 hours for tracking updates to appear.
Delivery Delays
Delays may occur due to circumstances beyond our control, including:
- Courier disruptions
- Security or customs checks
- Severe weather conditions
- Incorrect customer delivery details
While Mysa World is not liable for courier-related delays, we will assist in tracking and resolving shipment issues whenever possible.
Incorrect Address Information
Customers are responsible for providing accurate shipping details.
- Deliveries may be delayed or returned if incorrect information is supplied.
- Additional shipping fees may apply for re-dispatch.
- Address changes cannot be guaranteed after dispatch.
Lost or Damaged Shipments
If your order is lost or arrives damaged:
- Contact us within 48 hours of delivery.
- Provide your order number and supporting photos.
- Our team will investigate with the courier.
Depending on the outcome, we may provide:
- Replacement shipment
- Store credit
- Refund
Contact Us
Mysa World
Email: support@mysaworld.co.uk
Website: www.mysaworld.co.uk



