When your expeditions are at their toughest, the COROS VERTIX will be there, with navigation, extended battery life, a durable titanium case, smart monitoring and tracking. Designed for adventures with extreme durability and route navigation/checkpoint features Offers 45 days of regular battery life and 60 hours in full GPS mode Built with a Grade 5 titanium alloy bezel and touch-screen enabled diamond-like-coating sapphire glass—and weighs just 54 g Features a pulse oximeter with 24/7 blood oxygen monitoring at high altitudes; 24/7 heart rate monitoring with sleep, step and calorie tracking Pulse oximeter is not a medical device and is not intended to diagnose or monitor any medical condition Works under extreme low temperatures (down to -4°F/-20°C) with less than 30% depreciation in battery performance Includes a barometric altimeter, accelerometer, compass, gyroscope and thermometer Night Mode offers an always-on mode that uses just enough backlight for nighttime activities Interval, structured, triathlon, multisport and strength training modes; training programs and plans created by COROS athletes and coaches available free on the COROS website With over 200 preloaded strength exercises, COROS Training Mode and the COROS app allow you to build customized workouts for running, cycling, swimming and strength training Provides built-in running power metrics from the wrist, plus native and complete integration with Stryd power meters (not included) Features running, cycling, swimming, cardio, strength, winter and water sports modes with ongoing support and updates Fully customizable data screen supports up to 6 different metrics per screen Enhanced Digital Dial offers easy operation even with thick climbing gloves GPS, GLONASS and BEIDOU satellite connections; ANT+/Bluetooth for accessories; Bluetooth for smartphone only Water resistance to 15 atm (150 m/492 ft.)