EASY TO OPERATE: Tactile buttons and a large digital dial make it simple to access all the COROS VERTIX 2S GPS Watch features under all conditions, even when wearing thick gloves. MADE TO BE TOUGH: With the scratch-resistant sapphire screen and a PVD-coated titanium bezel, COROS VERTIX 2S GPS watch components endure even the harshest environments. POWER TO ENDURE: Tackle multi-day El Capitan ascents or 250+ mile races with an impressive battery life of 40 days of regular use or 118 hours of full GPS tracking. PIN-POINT GPS ACCURACY: With dual-frequency GPS technology and pro-tested algorithms, COROS VERTIX 2S GPS watch ensures precise location data in challenging terrains like mountains or narrow canyons. NAVIGATION & ROUTE PLANNER: On-wrist global maps and the COROS app let you create, follow, and return along your path. Navigation Mirroring lets you follow complex routes from your phone and your watch. NEXT-GEN OPTICAL SENSOR: Receive accruate heart rate tracking for precise training and fitness data. Monitor your progress, get actionable insights, and plan your path to peak performance with the COROS app. RECOVERY & SLEEP TRACKING: Monitor your sleep quality and track sleep stages. Get real-time stress analysis or take a wellness check test for health insights like heart rate variability, breathing rate and more.