Samsung Smart Watch 4 SM-R870 44mm\n--Most of us want to know more about ourselves, so we can be the best version of ourselves. That's why we engineered the all-new Galaxy Watch4 to be the companion to your journey towards a healthier you.\n--Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet.\n--Get a BIA measurement using just two fingers in 15 seconds. Anytime, anywhere.\n--The new Samsung BioActive Sensor captures your body composition in real time to inform you as you manage your health goals.\n--Enjoy every step you take with your friends and family with the Galaxy Watch4. Track your steps and compete with friends in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exer.