There are forearm-based heart rate monitors, wrist-based heart rate monitors, smartwatches, fitness trackers and even ...

Back in 1982, a small Finnish start-up called Polar Electro released the first consumer-grade, wireless heart rate tracker. It was one of the earliest wearable fitness devices on the market. By the ...

Accurate, comfortable, and able to be swum with. All it needs is a rechargeable battery. You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, ...