Fitbit User ManualsNew Devices Fitbit Charge 6 User Manual Fitbit Sense 2 User Manual Fitbit Versa 4 User Manual Fitbit Inspire 3 User Manual Additional devices Fitbit Ace User Manual Fitbit Ace 2 User Manual Fitbit Ace 3 User Manual Fitbit Alta User Manual Fitbit Alta HR User Manual Fitbit Aria User Manual Fitbit Aria 2 Product Manual Fitbit Aria Air User Manual Fitbit Blaze User Manual Fitbit Charge User Manual Fitbit Charge HR User Manual Fitbit Charge 2 User Manual Fitbit Charge 3 User Manual Fitbit Charge 4 User Manual Fitbit Charge 5 User Manual Fitbit Flex User Manual Fitbit Flex 2 User Manual Fitbit Flyer User Manual Fitbit Inspire User Manual Fitbit Inspire HR User Manual Fitbit Inspire 2 User Manual Fitbit Luxe User Manual Fitbit One User Manual Fitbit Sense User Manual Fitbit Surge User Manual Fitbit Versa User Manual Fitbit Versa 2 User Manual Fitbit Versa 3 User Manual Fitbit Versa Lite Edition User Manual Fitbit Zip User Manual Software products For previous versions, refer to Fitbit User Manuals - Previous Versions. Fitbit Irregular Rhythm Notifications IFU Irregular Rhythm Notifications help article Fitbit ECG App Instructions for Use ECG App Physician's Guide ECG App help article Fitbit SpO2 Instructions for Use Fitbit Blood Oxygen Saturation (SpO2) help article Body Temperature IFU Body Temperature help article Loss of Pulse Detection IFU Loss of Pulse Detection help article Was this helpful?How can we improve it?YesNoSubmit