Description The ultimate mountain sports watch built for training, racing, and beating your personal best. APEX 4 delivers industry-leading accuracy across GPS, pace, heart rate, and elevation tracking, along with the ultra-long battery life you have come to expect from COROS. Great for trail running, ski touring, alpine climbing, and steep vertical training. FEATURES All-new GPS system with dual-frequency satellite tracking 36 days of regular use / 118 hours of full GPS Our latest-generation optical heart rate sensor 10 ATM water resistance for open water activities SPECIFICATIONS Dimensions: 42.6 x 42.6 x 14mm Weight: 56g (with silicone band) Materials: Screen: Sapphire Glass Bezel: Grade 5 Titanium Alloy Cover: Fiber Reinforced Polymer Band: Silicone / Nylon Battery Life: 15 days daily use/ 34hrs High GPS mode Sensors Speaker to take hands-free calls or play activity alerts out-loud. Dual-Microphone with Noise Reduction to record Voice Pins and use Voice Assistant Optical Heart Rate Monitor, may not work over tattoos Barometric Altimeter Accelerometer Gyroscope 3D Compass Thermometer, supports body temperature in training (with compatible accessory) Optical Pulse Oximeter Electrocardiogram Sensor Training Features Effort Pace, a personalized metric that represents true effort when running EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics Activity Alerts for cadence, distance, pace, heart rate, power and more metrics Basic/Advanced Interval Training Pre-planned Workouts Training Plans Running Fitness Resting Heart Rate Underwater Heart Rate Action Camera Control Supports select GoPro, DJI, Insta360 cameras Virtual Pacer Virtual Run Running Form Test, requires COROS POD/POD 2 Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes Touch Scroll Swipe to scroll data pages during training Extender Daily Features Daily Stress Wellness Check Message/Call Alert Supports daily use and during training Sleep with REM tracking Alarm Timer Stopwatch Daily Alerts include active calories, exercise time, storm and more alerts Updateable Firmware with Wi-Fi and the COROS app Find My Phone Find My Watch Always-On Display HRV Music Plays offline music when paired with supported Bluetooth headsets
