Coros APEX 4 GPS Mountain Sports Watch 42 MM (WAPX4-BLK-42)

🔹 Design & Build

Case Size: 46.2 × 46.2 × 13.7 mm
Case Shape: Round
Display Size: 1.3-inch
Display Type: 3rd Generation Memory-in-Pixel (MIP) Touch Screen
Display Resolution: 260 × 260 pixels
Display Feature: Always-On Display
Screen Material: Sapphire Glass
Bezel Material: Grade 5 Titanium Alloy
Cover Material: Fiber Reinforced Polymer
Band Material: Silicone / Nylon
Band Width: 24 mm
Band Type: Quick Release

Compatible Wrist Size:
• Nylon Band: 140 – 215 mm
• Silicone Band: 140 – 215 mm

Weight:
• 64 g (with Silicone Band)
• 51 g (with Nylon Band)

Controls:
• Digital Dial
• Back Button
• Action Button (Quick Access to Maps, Voice Pins & More)

🔹 Specifications

Brand: COROS
Series: APEX 4
Model: COROS APEX 4 GPS Watch
Gender: Unisex
Display: Always-On Outdoor MIP Display
Water Resistance: 5 ATM
Suitable For: Surface Water Activities (Not Suitable for Diving)
Operating Temperature: -20°C to 50°C
Storage Temperature: -20°C to 60°C
Internal Memory: 32 GB
Activity Storage: Up to 1,200 Hours
Charging Time: Less Than 2 Hours

🔋 Battery Life

Daily Use & Sleep Tracking:
• Up to 24 Days

GPS Battery Performance:

• Up to 65 Hours (Endurance All Systems GNSS Mode)
• Up to 53 Hours (High All Systems GNSS Mode)
• Up to 41 Hours (Max Dual Frequency GNSS Mode)

GPS + Offline Music:

• Up to 17 Hours (Endurance GNSS + Music)
• Up to 16 Hours (High GNSS + Music)
• Up to 15 Hours (Dual Frequency GNSS + Music)

Charging Type: COROS Charging Cable

🔹 Connectivity

• Bluetooth Smartphone Connection
• Bluetooth Accessories Support
• Wi-Fi Data Sync
• COROS App Integration

Compatible Apps:

• Nike Run Club
• Komoot
• TrainingPeaks
• Strava
• Relive
• adidas Running
• Apple Health
• Stryd
• Final Surge
• Runalyze
• Running Quotient
• Decathlon

🔹 Sensors

• All-Satellite Dual-Frequency GNSS Chipset
• GPS
• GLONASS
• Galileo
• BeiDou
• QZSS
• Optical Heart Rate Monitor
• Optical Pulse Oximeter
• Barometric Altimeter
• Accelerometer
• Gyroscope
• 3D Compass
• Thermometer (with compatible accessory)
• Electrocardiogram Sensor
• Built-in Speaker
• Built-in Microphone

🔹 Key Features

🏔️ Advanced Mountain Navigation & Mapping

Built for alpine adventures:

• Free Global Maps
• Landscape Maps with Trail & Street Names
• Topographic Maps
• Points of Interest (POI)
• Turn-by-Turn Navigation
• Route Planning
• Checkpoint Navigation
• Back-to-Start Navigation
• Route Deviation Alerts
• Touchscreen Map Control
• Safety Alerts

🗺️ Precision Dual-Frequency GPS

Designed for challenging terrain:

• Dual-Frequency GPS Accuracy
• Alpine Terrain Tracking
• Vertical Algorithms for Mountain Performance
• Accurate Elevation & Route Data

🎙️ Voice Pins & Smart Communication

Stay connected on adventures:

• Built-in Microphone
• Voice Commands
• Save Voice Pins
• Record Training Notes
• Hands-Free Calls
• Activity Voice Alerts

🏃 Advanced Running & Training Features

Train and race smarter:

• Effort Pace
• EvoLab Training System
• Recovery Tracking
• Fatigue Monitoring
• Training Load
• Race Predictor
• VO₂ Max
• Threshold Zones
• Running Fitness
• Virtual Pacer
• Virtual Run
• Running Form Test (Requires COROS POD/POD 2)
• Pace Tracking
• Heart Rate Tracking
• Power Tracking

🏋️ Training Features

Professional training tools:

• Pre-Planned Workouts
• Training Plans
• Basic Interval Training
• Activity Alerts
• Cadence Alerts
• Distance Alerts
• Pace Alerts
• Heart Rate Alerts
• Power Alerts
• Touch Scroll During Training
• Altitude Mode
• Training Load Management

❤️ Health & Wellness Monitoring

Track recovery and performance:

• Optical Heart Rate Monitoring
• Resting Heart Rate
• Sleep Tracking with REM Monitoring
• Daily Stress Tracking
• HRV Tracking
• Wellness Check
• Blood Oxygen Monitoring
• SpO₂ Altitude Evaluation
• Body Temperature Support (Compatible Accessory Required)

🎵 Music Features

Enjoy music during activities:

• 32 GB Internal Storage
• Offline Music Playback
• Bluetooth Headset Support

📸 Action Camera Control

Supports selected:

• GoPro Cameras
• DJI Cameras
• Insta360 Cameras

📱 Daily Smart Features

Stay connected:

• Call Notifications
• Message Alerts
• Alarm
• Timer
• Stopwatch
• Find My Phone
• Find My Watch
• Always-On Display
• Firmware Updates via Wi-Fi & COROS App

🌄 Adventure & Outdoor Sports

Designed for:

• Mountain Sports
• Trail Running
• Hiking
• Outdoor Exploration
• Racing
• High Altitude Activities

🌊 Water Resistance

5 ATM Water Resistance:

Suitable for:

• Swimming
• Surface Water Activities
• Outdoor Conditions

(Not suitable for diving)

📦 In the Box

✔️ COROS APEX 4 GPS Mountain Sports Watch × 1
✔️ Quick Release Watch Band × 1
✔️ Charging Cable × 1
✔️ Documentation × 1

💡 Why Choose COROS APEX 4 GPS Watch?

✅ Premium titanium bezel + sapphire glass durability
✅ Built for mountain sports and endurance athletes
✅ 65-hour GPS battery performance
✅ Dual-frequency GPS for extreme terrain accuracy
✅ Free global maps with trail and street navigation
✅ Built-in speaker and microphone
✅ Advanced recovery, HRV and training analytics
✅ Lightweight 51–64 g design
✅ Offline music support
✅ Perfect for runners, climbers, hikers and adventure athletes