All-new GPS system with dual-frequency satellite tracking Extended battery life for weeks of continuous training Next-generation optical heart rate sensor 10 ATM water resistance for open water activities Advanced global offline maps with turn-by-turn directions Always-on 1.4" sapphire touchscreen and titanium bezel Backed by the COROS training system to achieve your goals Wide range of activity modes and third-party integrations Two watchbands and one charging cable are included