Re: Blood Pressure
I've had one for quite a while. It is great, but I reckon it should be re-calibrated every couple of weeks (at least) rather than once per month. I have type-2 diabetes and high blood pressure. Even if the readings are not accurate in terms of absolute values (but they generally are with regular calibration - checked against an expensive proper device) seeing when blood pressure rises unexpectedly can give you a pretty good idea of behaviours or situations to avoid. Well worth the money if blood pressure is important to you. Also gives you a better idea of your typical blood pressure compared to measurement at the doctors, or even measurement with a standard device - because you don't know when it is taking a measurement you don't get that extra stress associated with measurement (it takes around 50 measurements per 24 hours at irregular intervals - I don't know what determines when it takes a measurement).