Wearables are getting serious about health - and the ability to track heart rate monitoring is becoming the norm. But which ones can you rely on to do that accurately, which ones go beyond that to offer more sophisticated heart health features and how can you use your wearable to get the best out of it?
How much do you know about your blood pressure or your sleep patterns? The latest connected devices from Omron, Philips and Nokia could tell you more.
We take a look at the latest cheap Lidl launches, the Sanitas Activity Sensor and Blood Pressure Monitor. Are they cheap and cheerful, or a waste of money?