WHAT IT IS, WHY IT MATTERS
The Epson Runsense SF-810 is a watch that, as the name may suggest, is built for runners. It includes GPS and a heart rate monitor. The built-in optical heart rate sensor is partnered with Epson’s Smart Stride measurement, and the GPS sensors, so you can accurately measure how far you have run, and how quickly (or slowly). Advanced training modes are included to help the elite athlete get more from their tired limbs.
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