P1 Smart Ring

I have the herz p1 it was $60 now I cannot compare it to any other ring but it seems to do everything it says , activity steps, sleep , heart rate , blood oxygen, stress … and it all seems to be very accurate ! The battery lasts for a week ! I don’t get it wet although it says it’s water proof with

I've had my Herz P1 smart ring & it's been a month with no problems. It has done well with it's tracking heart rate, oxygen, tempature, step regarding walking & many more features. There's no subscription needed but I do recommend getting the charging case...it doesn't take long to charge up.