Large HD Display 1.83-inch TFT screen with 240*284 high-resolution display, featuring full touch capabilities and anti-fingerprint coating for clear visibility. Long Battery Life 300mAh large-capacity battery provides 5-7 days of usage on a single charge, with a quick 2.5-hour charging time. Advanced Health Monitoring Dynamic 24-hour real-time heart rate and blood oxygen monitoring for comprehensive health tracking. Versatile Sports Modes Over 100 sports modes to cater to various fitness activities and workout preferences. Smart Connectivity Supports message notifications for Android/iOS phones and enables Bluetooth-compatible calling for seamless communication. Professional Water Resistance IP68 water resistance rating for protection against water and dust in daily use.