If you need a wearable device to track your physical activity, the choice is really huge. "Smart" watches and bracelets, which shall ensure that a number of steps you have done for the day, how fast you run and how many calories you burn. However, the new device Stryd, whose fundraising campaign was launched on Crowd-fanding resource Kickstarter offer something new. The device is designed for people involved in sports, and will provide them with the necessary information to their training became better. It is reported that the device will measure the power Stryd athlete. The people who … [Read more...] about Wearable new devices Stryd make training more efficient runners