Fitbit is recalling about 1 million Ionic smartwatches in the United States and about 693,000  internationally.

The lithium-ion battery in the Ionic smartwatch can overheat, posing a burn hazard. 

Fitbit has received at least 115 reports in the U.S. – and 59 reports internationally – of the battery in the watch overheating with 78 reports of burn injuries in the United States including two reports of third-degree burns and four reports of second-degree burns. Forty reports of burn injuries internationally also were received.

This recall involves only the Fitbit Ionic smartwatch. It was sold with a polyurethane band and has a 1.4-inch color LCD screen.

The watches were sold in slate blue/burnt orange, charcoal/smoke gray, blue gray/silver gray, and a special edition co-branded with Adidas in ink blue/silver gray.

The smartwatch tracks activity, heart rate, and sleep. 

Only the following models and colors are included in this recall. For the Ionic device, the model number FB503 is on the back of the device near where the band attaches. Fitbit is printed on the front of the Ionic smartwatch.

The watches were sold at Best Buy, Kohl’s, Target, and other stores nationwide and online at Amazon.com and Fitbit.com from September 2017 through December 2021. The cost was between $200 to $330. Fitbit stopped production of Ionic watch in 2020.

Consumers should immediately stop using the recalled Ionic smartwatches and contact Fitbit to receive pre-paid packaging to return the device, the company and U.S. Consumer Product Safety Commission advise. When the device is received, consumers will be issued a refund of $299. Fitbit will also provide participating consumers with a discount code for 40 percent off select Fitbit devices.

For more information, call Fitbit at 888-925-1764, 24 hours a day, seven days a week or visit help.fitbit.com/ionic or www.fitbit.com and click on “Product Help” at the bottom of the page or fitbitionic.expertinquiry.com.

For details on other recalls, see www.recalls.gov.