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Google Unlocks Fitbit Air for Custom Accessories
3 Jun
Summary
- Google released Fitbit Air's technical specifications and CAD drawings.
- Consistent skin contact is vital for accurate heart rate and SpO2 readings.
- Fitbit Air launched in early May for $100 as a screenless tracker.

Google has opened the door for third-party accessory creation for its Fitbit Air tracker by releasing detailed technical specifications and 2D CAD drawings. This initiative aims to foster user-generated innovations, allowing individuals to design perfectly fitting bands and other add-ons.
The company highlighted critical design considerations, such as maintaining consistent skin contact for accurate heart rate and SpO2 sensor functionality. Furthermore, Google emphasized the use of skin-friendly materials in accessory manufacturing, outlining restricted substances to prevent irritations and allergies.
Launched in early May at $100, the Fitbit Air is a screenless health and fitness tracker designed to compete with devices like Whoop. It connects to the Google Health app and Gemini-powered Coach, offering users fitness data and workout suggestions on their smartphones. Since its release, a community has already emerged, 3D printing custom accessories for the device.