Forever scale works with a Bluetooth smart body fat scale to help you manage your weight, analyze your body data, and record your physical condition. The analyzed body data includes parameters such as weight, BMI, body fat rate, protein rate, etc., to help you manage your physical health. 19 physical index parameters to help users manage physical health data The body weight is measured through a body fat scale, and 19 body data such as BMI, body fat percentage, muscle percentage, water, bone we