FEATURES: For outdoor athletes who train hard and move fast Next-generation accurate heart rate sensor Connect with all five major satellite systems 17 days of regular use/45 hours of full GPS 1.2" sapphire screen and titanium bezel Wide range of activity modes and third-party integrations Free global offline maps for on-wrist navigation Full training plan and workout support Watchband and charging cable are included DESIGN & TECHNOLOGY: Sensors: Electrocardiogram Sensor (NEW), Optical Heart Rate Sensor (NEW), Barometric Altimeter, Accelerometer, Compass, Gyroscope, Thermometer, Wear Detection Sensor, Optical Pulse Oximeter Sapphire glass screen Titanium alloy bezel with PVD coating Stainless steel cover 2x scratch resistance Built with 5 ATM water resistance Improved GPS 0% higher performance antenna design All-Satellite GNSS chipset Intuitive navigation: Global offline landscape and topographical maps, checkpoints, back to start, elevation profile