https://help.fitbit.com/en_US/ionic.htm
Fitbit, in conjunction with the US Consumer Product Safety Commission (CPSC), announced a voluntary recall of Fitbit Ionic smartwatches, which the company introduced in 2017 and stopped producing in 2020. The battery in the Ionic smartwatch can overheat, posing a burn hazard.
If you own a Fitbit Ionic, please stop using your device.
We’re offering a refund of $299 USD to Fitbit Ionic customers…