The Garmin vivosmart 4 is an activity tracker that learns your activity level and assigns a personalized daily goal. It features a slim and stylish design that blends fashion with style with metal accents and a bright easy-to-read display. Track activity monitor your heart rate get smart notifications and even access detailed fitness monitoring tools such as VO2 max estimate and your fitness age. This helps gauge blood oxygen levels with its wrist-based Pulse Ox feature. It follows your progress 24/7 and it can stay on for 7 days without a battery charge. Each time you receive a text email or call from your compatible Bluetooth device vívosmart 4 gently vibrates and automatically displays the information.The vívosmart 4 activity tracking capabilities include steps floors climbed calories burned intensity minutes and more. Move IQ automatically detects exercises such as walking swimming cycling and elliptical training. This estimates your sleep patterns with the Advanced Sleep Monitoring feature and Body Battery uses HRV to determine your energy levels. It can also automatically start a timed walk or run activity. So you’re free to get up get moving and let vívosmart 4 capture your active life. It includes vívosmart 4 smart activity tracker charging/data cable and manuals.