Google Shares Fitbit Air Specs to Encourage Custom Accessory Design

Google seems to be encouraging everyone to make their own Fitbit Air accessories, not just companies and brands.

The company has released the tracker's technical specifications, along with its 2D CAD drawings to help you design accessories that fit the device perfectly.

You'll find the tracker's exact measurements in the blueprints, along with crucial mating dimensions, tolerances and mating force specifications that you will need to be able to create a proper band.

"We know that your personal style is entirely unique – and in just a few short days, this community has already come up with innovative and creative new ideas to make the Fitbit Air your own," the company said in its announcement.

Google listed some important details to keep in mind to keep the device working, such as making sure there's consistent skin contact with the tracker for the heart rate and SpO2 sensors.

In addition to the measurements and other pertinent information about the device, Google has also stressed the importance of skin-friendly materials to prevent irritations and allergies.

It has listed its restricted substances specifications, including the requirement for copper and brass alloys to be lead-free and for natural latex not to contain allergenic proteins.