A Fitbit Flex 2 reportedly exploded on woman's arm
 

Dina Mitchell was reading a book on Tuesday in her Wisconsin home when the Fitbit Flex 2 on her wrist exploded, causing second-degree burns, she told ABC News. Mitchell reportedly tore the device off of her arm as it was still on fire, and doctors ha...

https://www.engadget.com/2017/04/26/...ire-wearables/