The Jawbone Up is a wristband that tracks your sleeping routine, workout activity, and eating habits using an accelerometer to provide its companion iOS app with data to evaluate your health and help you improve your daily habits

This handout image shows the UP24 wristband  introduced November 13, 2013 by Jawbone  as the wearable computers evolve into smart accessories tailored to augment Internet lifestyles. The second-generation UP band tracks how active wearers are or how well they are sleeping or eating, then communicates wirelessly with Apple mobile devices to make recommendations in the moment about pursuing healthier lifestyles.