The Lumia 2 smart earrings track blood flow, sleep, and more from your earlobe with pricing starting at $249 plus a monthly membership.

"I'm never taking it off again." TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. While fitness tracker watches ...

Lumia is ready to release its health-tracking smart earrings to the masses.

Every step you take can say a lot about your health. A new invention—a smart insole powered by sunlight—now makes it possible to measure this data in real time. This device doesn’t just track your ...

Not only does the Evie health tracker for women look good, it packs a load of features into its tiny package. Bridget Carey Editor at Large Bridget Carey is an award-winning reporter who helps you ...

Another year brings another cheap fitness tracker from Chinese tech company Xiaomi, but its Smart Band 10 is its first such gadget in a while that isn’t an instant must-buy for people looking for an ...