I purhased a North Edge 530 about 18…
I purhased a North Edge 530 about 18 months ago firstly to measure my blood glucose, which it doesv well. It also has an endless set of many many other health feature, so it takes a while to work out what they all do. It also connects to the H band app which gives even more information. I bought mine on lazada in Thailand, it arrive promptly and I have been delighted with it and such a good price too. I have recently bumped it and lost the winder knob, so have emailed them to see if they respond. I'll add their response later...jh