Haylou Watch 4S GPS Smartwatch — 1.43" AMOLED, 5-Satellite GPS, 120+ Workout Modes, Steel & Silicone Bands

Product Specifications

Brand: Haylou

Model: HAYLOU Watch 4S

Launch Year: 2025

Display: 1.43" AMOLED, 466×466 resolution

Screen Shape: Round

Screen Material: Coated Glass

Crown: Stainless Steel Rotating Crown

Band Width: 22 mm (detachable silicone strap)

Strap Options: Stainless Steel Bracelet, Braided Nylon, Silicone — available in Silver and Black cases with Blue, Green, Purple, and standard colour options

Bluetooth: 5.3

GPS: Yes — 5 Satellite Positioning Systems

GPS Sport Mode Battery Life: Up to 26 hours

Battery: 400 mAh (3.8V lithium-ion polymer)

Battery Life — Everyday Use Mode: Up to 10 days

Battery Life — Basic Use Mode: Up to 18 days

Water Resistance: 1 ATM

SIM Card: No

Companion App: Haylou Fun (Strava sync supported)

Certifications: CE

Available Colours: Silver (Steel / Braided / Purple / Blue / Green), Black (Steel / Braided / Purple / Blue / Green)

Origin: Imported

In the Box: Smartwatch with standard strap, Charging Cable, Replacement Band, Screen Protector, Instruction Manual

Key Features

1.43" AMOLED Display
Vivid round AMOLED screen with 466×466 resolution delivers sharp, clear visuals in all lighting conditions. Raise-to-wake and brightness adjustment keep the display responsive and comfortable throughout the day.

5-Satellite GPS Positioning
Built-in GPS with five satellite system support provides accurate real-time location tracking during outdoor workouts, with up to 26 hours of GPS sport mode battery life.

Bluetooth Voice Calling
Make and receive calls directly from your wrist via Bluetooth 5.3. Includes incoming call reminder, one-tap connection, SOS emergency call, and smart message notifications.

120+ Workout Modes
Comprehensive sport tracking across 120+ workout modes with calorie tracking, pedometer, step counting, goal-achieved reminders, workout recording, and Strava sync.

All-Day Health Monitoring
Continuous heart rate monitoring, sleep tracking, stress monitoring, menstrual cycle tracking, sedentary reminder, hydration reminder, breathing training, and exercise heart rate alerts.

200+ Watch Faces
Choose from 200+ built-in and online watch faces, with custom watch face support via the Haylou Fun app.

AI Voice Assistant
Built-in AI voice assistant for hands-free control of watch functions and smart features.

Smart Notifications
Receive notifications from Twitter, Facebook, Gmail, WhatsApp, Messenger, WeChat, TikTok, LINE, YouTube, and more directly on your wrist.

Multiple Strap Options
Available with stainless steel bracelet, braided nylon, or silicone strap in a range of colour combinations — choose the style that suits your look and occasion.

Up to 18-Day Battery Life
400 mAh battery delivers up to 10 days in everyday use mode and up to 18 days in basic use mode.

Function Overview

Voice Assistant, OTA Updates, Music Control, Remote Shutter (shake to take photos), Vibration Intensity Adjustment, Split Screen, Flashlight, Games, Do Not Disturb, Find My Phone/Watch, Alarm, Timer, Stopwatch, Calendar, Weather, Power Saving Mode, Low Battery Reminder, Wrist-off Lock, Charging Status, Power On/Off.

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, Malay.