If you can't connect, consult Fixun customer service or try to re-enter the wifi password.
How to use Feifei S7PE: First, download the health APP from the market, open the APP, click on the device and pull it down to the bottom. The third party's body fat is called S7PE. Long press the body fat weighing key and the blue light flashes. Click the application to display the connection. Then you will be asked to enter the WiFi password, and the binding will be successful after the input.