MotionX Introduces Sleep by MotionX v4.0 for iPhone, Correlates Resting Heart Rate With Sleep Quality
29. November 2012 11:07 ET | Fullpower-MotionX
SANTA CRUZ, CA--(Marketwire - Nov 29, 2012) - Fullpower®-MotionX® today announced Sleep by MotionX version 4.0, the first app for the iPhone that measures resting heart rate and...