The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

Fitbit Air or Fitbit Charge 6? I'll help you decide ...

Steve is a tech enthusiast and an avid gamer. He loves writing about, tinkering with, researching, and reviewing the latest technology. He has been writing about technology for half a decade and has ...

Josh Hawkins has been writing for over a decade, covering science, gaming, and tech culture. He is a top-rated product reviewer with experience in extensively researched product comparisons and ...

Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. One of Fitbit’s most ...