Intelligent body fat scale, as its name implies, is a weighing scale which integrates the function of detecting body fat content. In the past, people often paid more attention to weight, but with the popularization of fitness concept, body fat replaced weight as a more scientific obesity index. The body fat scale can be paired with the exclusive App on the mobile phone, and the user's physical condition can be calculated according to the user's input age, gender, height, measured weight and body fat, which is similar to the medical body composition detection.

The principle of human body fat scale is that muscle contains more water such as blood and can conduct electricity, while fat is not. Because the channel conductor of current in the body is muscle, the weight of muscle can be known from the difficulty of current passing, so as to judge the proportion of muscle in the weight.

References:

Baidu body fat scale encyclopedia