About this item Product 1: Smartwatch for your athletic lifestyle, featuring 1.3 Inch always-on, bright AMOLED display Product 1: 24/7 health and wellness monitoring features deliver estimates for Pulse Ox, heart rate, respiration, stress and advanced sleep monitoring Product 1: Stay connected with smart features, Garmin Pay contactless payments and music storage Product 1: Train your way with built-in sports apps for all the ways you move, performance metrics and Garmin Coach adaptable training plans Product 2: New Running Pace and Distance improved for indoor running and treadmill workouts . Running dynamics Including ground contact time (GCT),GCT balance,stride length, vertical oscillation and more enabling your compatible watch to calculate running power Product 2: Store and forward Allows for heart rate storage during activities such as swimming or team sports,and automatically sends the heart rate over at the end of the activity Product 2: Physio true up When worn without a fitness watch, stores steps, calories, intensity minutes, and all-day heart rate then utilizes True-Up to update all user devices via BLE and Garmin Connect Mobile Product 2: Dual Transmission In addition to ANT+, transmission of heart rate over BLE to communicate with training apps, like Zwift, and compatible fitness equipment