SalzigerRobobert601 year ago000Can it really measure blood pressure? How do I choose the right size? Is the diameter inside? Or measured on the outside?Show in original language (German)Anonymous1 year ago • purchased this product000purchased this productBlood pressure? I wouldn't have seen it anywhere in the app.It doesn't even measure my blood oxygen correctly :-(I measured the finger size as indicated and ordered one size larger - still too small -> no purchase recommendation from me Show in original language (German)Comment1 comment