The Beurer BC21 Speaking Wrist Blood Pressure Monitor helps make blood pressure readings simple with an easy-to-use wrist cuff, and integrated speaker to read your measurements aloud.This monitor includes a clear display that is easy to read and adjustable volume for the voice output, as well as a disable function removing the voice function if required. An average of all your saved measurements and of the morning and evening measurements for the last seven days is available. Your measurements are displayed along with a colour-scale indicator of the risk classification and the date and time, with incorrect use of the monitor also displayed when detected. The Beurer BM35 Arm Blood Pressure Monitor can identify arrhythmias and alerts you when possible disturbances are detected in the heart rhythm.