This unit is easy to use and simple to operate. I do wish I'd known to look for one that integrated (via bluetooth) with my phone's health app, but it's fine.I did note that after about a month of use, nearly every time I'd use it, it would fail the first reading. Either by doing nothing, or adjusting in minutely, it worked the second time.Then, it would start taking my pressure, the cuff would deflate and just as it was about to show me my results, the screen turned off. I checked and the batteSee full review