Garmin - Forerunner 570 42mm...

Garmin Coach Adaptive Training Plans. Training Readiness. Built-in Speaker and Mic. Plan runs with Recovery Time HRV Status Breathing Variations and more. Prepare runs with Running Dynamics Heart Rate VO2 Max and more. Perform runs with SatIQ and Multi-Band GPS MultiSport profiles and more. Up to 10 days of battery life in smartwatch mode - 18 hours in GPS mode. Silicone band with buckle closure. Aluminum bezel with Corning Gorilla Glass 3 lens. Case size: 42.4 x 42.4 x 12.9mm. Fits wrists with circumference of 115-178mm.