From the manufacturer 24/7 Activity Tracking Measures all your movement throughout the day-not just workouts so you can see how every step adds up to real progress Activity Targets Gives you daily movement goals tailored to your fitness level-so you stay consistent, motivated, and on track without overdoing it. Automatic Training Detection Automatically detects when a training session starts and ends based on your heart rate and movement. Too sensitive? You can adjust the Training Intensity setting in the POLAR Flow app. Daily Alertness Analyzes your recent sleep to predict how alert and focused you'll be during the day - helping you plan work, workouts, and rest at the right times. Nightly Recharge Combines your sleep score with heart rate, HRV, and breathing data to calculate your overnight recovery and give you guidance to manage stress, avoid burnout, and train smarter each day. Sleep Tracking Measures how much of your night's sleep was light, deep, spent in REM, or interrupted, giving you a simple score each morning to help you understand your sleep performance better. Activity Benefit Activity Benefit tracks all your active choices during the day and shows how they help you to stay healthy on a daily, weekly and monthly level. Training & GPS via Flow App With the POLAR Flow app, you can manually start a training session for any sport, use your phone's GPS to track your route, and view all training data and metrics inside the app itself.