Credit: Kaitlyn Cimino / Android AuthorityTL;DRThe Fitbit Air can be used simultaneously with the Pixel Watch.However, the Fitbit Air can’t be used simultaneously with other Fitbit devices.Google’s recently launched Fitbit Air is a lightweight, screenless fitness accessory that offers passive wellness tracking. While you can use it as your main fitness tracker, you can also use it simultaneously with the Pixel Watch. With this quality of life feature, you can swap between the two without having to disconnect or unpair either device. However, if you’re thinking about picking up the Fitbit Air, don’t expect to do the same with other Fitbit devices.Don’t want to miss the best from Android Authority?