Once my Keen arrived in the mail, I charged it for a couple hours and was ready to go. I fiddled a bit with the settings—you can customize how sensitive the device is to your behavior, which makes it vibrate more or less often, and change the intensity and duration of each vibration.

"The first step is being aware and bringing it to your attention... [Keen2] really is a brilliant idea."
–Howie Mandel on the Marcus Lemonis podcast