Easy to set up via the QardioApp, it measures systolic and diastolic blood pressure levels and heart rate with irregular heartbeat detection. Compact and elegant, this monitor works wirelessly with your smartphone, tablet, Apple Watch, Apple Health (Apple iOS 10.0 or later, Kindle, Android 5.0 or later). This stylish, very light and portable, one-piece wide-range cuff fits standard to large adult upper arms 8.7-14.6 in circumference (22-37 cm). Battery life up to a year of frequent use. All