Why do fitness trackers always connect through Bluetooth instead of wifi?

I’ve been thinking about this before. If the fitness tracker can use WiFi to transmit data indoors and automatically switch to Bluetooth outside, will the transmission speed be faster?   But can this vision come true?This estimate will be a little difficult.Because wifi transmission speed although fast, but relatively large power consumption.The bandwidth required for…

The poems of Cavosmart fitness tracker

Live in this fast-paced city All kinds of people are always unable to stop in a hurry Before the traffic lights Through the green sidewalk It’s still a hurry Urban white-collar workers here dedicated their youth   However…… The white-collar youth’s sub-health status is now embarrassing. Sedentary computer Beating pieces of broken text Too busy…