Super-tough from the Inside Out Passed 15 Military-grade Tests Rugged & Bold Trend-setting Design 24-day Battery Life 158°F Heat-resistance -40°F Cold-resistance 240h Humidity-resistance 96h Salt Spray-resistance Ice- & Freezing Rain-resistance Shock-resistance Conquer the Uncharted Ultra-low Temperature Operation Dual-band & 5 Satellite Positioning Route Import & Real-time Navigation Direct Return Navigation Train the Beast Within Smart Recognition of Strength Training Exercises Create Training Templates PeakBeats™ Workout Status Algorithm 150+ Built-in Sports Modes 10 ATM Water-resistance Smart Recognition of 8 Sports 24H Health Management Monitoring of Heart Rate, Blood-oxygen, Stress Levels & Sleep Test 4 Health Metrics in 1 Tap Powerful Zepp OS Rich Mini App Ecosystem Third-party App Integration