Article:

The new Apple Watch Series 6 touts its ability to measure blood oxygen levels, as well as tracking activities and sleep. Even though its features seem impressive, the tech giant isn’t the first to combine this technology into a smart watch. In fact, Fitbit released a watch with the same type of technology earlier in the year.
Summarize the given article in 10 or fewer sentences with a critical perspective.
Despite Apple Watch Series 6's commendable features such as measuring blood oxygen levels, activity and sleep tracking, it's important to note that Apple wasn't the first company to introduce this technology in a smartwatch. Instead, Fitbit pioneered this feature earlier in the year.