The fēnix 6S Sapphire multisport GPS watches let you add mapping, music, intelligent pace planning and more to your workouts - without adding bulk to your wrist. Advanced training status, running/cycling dynamics and environmentally adjusted VO2 max estimates are right at your fingertips. Other highlights include enhanced wrist heart rate, and smart notifications (when paired with a compatible smartphone). To maximize on-wrist use time, customizable power manager modes let you see and control how various settings and sensors impact battery life.