FTC finds 'Shark Tank' connected breathalyzers are inaccurate
 

Accuracy is a big issue with wearables and all sorts of connected devices. Despite marketing claims of "government-lab grade testing," the Federal Trade Commission found that Breathometer's app-connected breathalyzers weren't as accurate as the compa...

https://www.engadget.com/2017/01/24/...re-inaccurate/