Whether you're training for a triathlon strive to improve your health or just get ready for summer Garmin Index Smart Scale makes sticking to your plan much easier. It performs all the classic functions of a scale: weighs pounds , kilograms and even a stone. It also tracks body mass index body fat percentage, bone mass, and skeletal muscle mass which are important indicators for high-level athletes. The index can recognize and remember up to 16 different users and can of course sync with Garmin Connect, an online platform which allows you to track and analyze all your training data so you can see exactly How well your training matches your goals.