**Product Specifications:**
**COROS APEX2 Series Outdoor Sports Watch**
**Features:**
- Rugged yet lightweight design for outdoor activities
- Sapphire glass mirror, high-strength and wear-resistant
- Titanium alloy bezel for increased durability
- 50m water resistance, improved by 50% for water sports
- Available in APEX2 43 (42mm, 100g) and APEX2 Pro (23, 46mm, 53g)
**Navigation and Positioning:**
- Supports full constellation positioning system
- Enhanced antenna performance for better and more stable signals
**Health and Fitness Monitoring:**
- Multi-sensor optical system for accurate heart rate, altitude, blood oxygen monitoring
- Stress monitoring with HRV, respiration data analysis
**Battery Life:**
- APEX2 Pro: Up to 40 hours in GPS mode, 25 hours in full constellation mode
- APEX2: Up to 25 hours in GPS mode, 20+ days in daily use
**Training and Workouts:**
- Various sports modes including running, hiking, cycling, swimming, and more
- Muscle heat map for balanced muscle training
- Real-time workout tracking with heart rate monitoring and calorie calculation
**COROS EvoLab:**
- Scientific training management platform for personalized fitness assessment and training plans
**Additional Features:**
- Music storage and Bluetooth headphone support
- Sleep monitoring with detailed sleep analysis
- Daily convenience functions like notifications, alarms, and compass
**Package Contents:**
- Watch x1, Charging cable x1, Quick start guide x1, Service card x1, Brand stickers x2, Safety manual x1
*Note: The above specifications are based on COROS lab testing results. Actual performance may vary. The product is not intended for medical use. For accurate heart rate data, it is recommended to use a heart rate monitor strap in conjunction with the watch.*