Jawbone Up4 Fitness Tracker – Black

The Jawbone UP4 is a comprehensive fully-integrated activity tracker that monitors and facilitates in-depth analysis of your activity sleep and heart rate patterns. This wrist-worn device is equipped with four sensors: an accelerometer and three separate bioimpedance sensors designed to measure your resting heart rate respiration and galvanic skin response. These sensors in tandem with the UP system and mobile application will deliver customized results in the form of progress reports personalized... More