Designed to tackle any terrain, the COROS APEX 2 Pro GPS watch helps you chase ambitious goals. This version features a more durable exterior, redesigned GPS antenna, enhanced navigation, next-generation optical heart rate sensor and longer GPS battery life. A sapphire glass screen and grade 5 titanium alloy bezel protect the internal components, while the scratch-free sapphire glass features a PVD coating for more durability than before. Unlock your potential with tools that track your movements across the wilderness. For avid trainers and trailblazers, the COROS Apex 2 Pro GPS helps you find new heights. More scratch resistance: New PVD bezel coating offer 2x scratch resistance compared to the original Longer Battery Life: 30 days of regular use, 75 hours in full GPS mode Free global offline Landscape and Topo maps paired with an intuitive navigation system to help you find your way when exploring the outdoors GPS Accuracy: Redesigned antenna and an All-Satellite chip track you through the spottiest places. APEX 2 Pro is Dual Frequency enabled Accurate Heart Rate Sensor: New wrist optical heart rate sensor features an 8-LED system protected by a smooth, scratch-resistant cover to measure your effort and intensity. Access world-class training insights through COROS EvoLab and COROS Training Hub. Use the free, COROS-approved workouts and training plans to tackle your most ambitious goals. Temperature Resistance: Works in on-wrist operating temperatures with -20°C to 50°C so you can explore new boundaries Water Resistance: 5 ATM water resistance keeps you dry in any conditions. This watch also withstands pressures up to a depth of 50m Easy-to-Use Dial: Simple button design with a large digital dial lets you easily change setting with a few clicks--even while wearing gloves! Recovery Tracking: Monitor your sleep quality at all stages and takes a quick heart rate variability (HRV) measurement to determine how prepared your body is to train. If you're exercising at altitude, turn on Altitude Mode or manually check your blood oxygen level (SpO2) to monitor adaptations. Access world-class training insights just like the pros with athlete-approved workouts and fitness plans Tracks your reps and sets automatically during strength training sessions. Select from 200+ preloaded exercises to create custom workouts. Share your results with friends and training partners via text, email, social media or in-person using a QR code in the COROS app..