Fitbit, the maker of health-tracking wearables owned by Google, is recalling its Ionic smartwatch after more than 115 reports in the US, and 59 reports internationally of burn injuries caused by an overheating battery, the Consumer Product Safety Commission announced on Wednesday.

About one million of the devices, which track activity, heart rate, and sleep, were sold in the United States from September 2017 through December 2021, with an additional 693,000 sold internationally.

Owners will be refunded $299 after returning their Ionic watch and will receive a discount code for select Fitbit devices, the commission said.

A Fitbit representative noted that the injury reports represented fewer than 0.01 percent of all Ionic watches sold, and said the recall did not affect other Fitbit products.

Best Buy, Kohl’s, Target and other stores nationwide and online at and from September 2017 through December 2021 for between $200 to $330. Fitbit stopped production of Ionic in 2020.