Atlas Wristband 2: Digital Trainer + Heart Rate Band Guided Workouts - Get the same workouts as Olympians and Exercise Scientists from around the globe. Precision Heart Rate - Get the most accurate, continuous, wrist-based heart rate, and even set custom target heart rate zone goals. Swim + Shower Safe - Focus on your training knowing you dont have to worry about how hard you sweat. Syncs with iOS & Android - See detailed workout summaries and analytics on how each workout gets you closer to your goals. Learns New Exercises - Reverse burpees? Handstand pushups? Atlas can learn nearly every known exercise, and some unknown ones too.