【Changing Starts from Knowing】11 Health indicators provide accurate data for weight, BMI, Body fat rate, Visceral fat, body water, skeletal muscle rate, Muscle mass, bone mass, Protein, BMR, Body age. 【Recording and Sharing in APP】Download Fitdays from APP Store or Google Play. Smart phones get automatic binding and record all the changes automatically. Check the data in Fitdays APP anytime and anywhere you want. Clear changing curve helps you keep up with your improving easily. 【G-sensor Weight Measure Technology】4 high precision G-sensors make Bveiugn have higher precision and sensitivities. Bluetooth 4.2 has low-power chip. Integrated body, simple design, and rounded edge give you pleasant and safe experiences.