A "fitness band" refers to a wearable device, typically worn around the wrist, that tracks and monitors physical activities and health-related data such as steps taken, heart rate, sleep patterns, and calories burned. Full definition
This is the second edition of what was introduced a couple years ago - a wearable fitness band with a portrait - style display. (slashgear.com)
There are already a good number of fitness bands available in the Indian Markets, here is one more addition. (gogi.in)
It seems like every new fitness band on the market has a built - in heart - rate sensor, but now headphone companies are baking sensors into their devices, too. (pcworld.com)