A burn hazard has led to the recall of a line of fitness tracker makers. More than one million units have been sold across the country and more than 600,000 internationally according to the U.S. Consumer Product Safety Commission.

Customer safety is always the top priority of the company and out of an abundance of caution, we are conducting a voluntary recall.

We received a very limited number of injury reports and the totals in the announcement represent less than 1% of the units sold. These incidents are very rare and this voluntary recall doesn't affect other devices.

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According to the company, the burn hazard is caused by the battery that can overheated. There were at least 115 reports of the watch's battery overheating in the US and 59 reports internationally, with 78 reports of burn injuries.

How to tell if your Fitbit needs to be recalled:

It is important to note that the recall only applies to the Ionic line and does not affect the other watches or trackers.

The model number on the back of the device is the only one that is counted in the recall.

Slate Blue/Burnt Orange is the name of the item.

There is a Charcoal/Smoke Gray.

Blue Gray/Silver Gray is the color of the idiosyncrasy.

The adidas edition is Ink Blue and Ice Gray.

If you have one of these watches, you should immediately stop using it and contact the company to get pre-paid packaging sent. You will get a $299 refunds and a 40 percent discount code for purchases made with Fitbit.