In the past few years, we have covered many apps and gadgets that help runners improve their performance. Stryd is another smart tool that gives you feedback on your running efficiency, so you can find areas to improve upon. This wearable power meter provides you with feedback on performance, technique, muscle strength and condition.
Stryd provides runners with personalized guidance and form feedback. Just clip it on, and you are set. The device has Bluetooth and ANT+ support. It is water resistant.[where to find more info]