Google - Fitbit Air - Screenless Fitness and Health Tracking - Works with Android and iOS - Obsidian - (2026)

Great question! The Fitbit Air bands included in the box fit wrists up to 210mm in circumference and allows you to change out the band to find the perfect fit for you.

Thanks for asking. The Fitbit Air has a band that is one size which fits wrists 130-210 mm around.

Thanks for asking, harry. We recommend checking with your specific plan administrator to confirm your coverage and eligibility requirements for the Fitbit Air on your FSA.

Hey there, AlexHP. While the Fitbit Air doesn't diagnose or track sleep apnea specifically, it does track your overall sleep patterns, including your sleep stages and time spent awake, restless, and asleep. Here’s a link with more information: https://support.google.com/googlehealth/answer/14236407

Great question, Steve. Yes, the Fitbit Air works with the Google ECG app that can assess your heart rhythm for signs of atrial fibrillation (AFib). For more information, you can check out this article: https://support.google.com/googlehealth/answer/14236718?hl=en