The blood pressure monitor is an automatic measuring device to be used on the upper arm. It enables simple, accurate and fast measurement. It wirelessly transmits your heart rate to your compatible device for instant feedback. The front part of the strap contains the heart rate module and is made of flexible plastic. The part of the strap that goes around your back is made of a soft fabric and is adjustable to your size. The fabric of the strap can be removed and hand-washed as often as needed.