So you would like to get a more interactive workout on your treadmill? The vxFitRunPi has you covered. It is a wearable tracker with Bluetooth 5.3 connectivity and high precision accelerometer / gyroscope that turns workouts more interactive.
The vxFitRunPi comes with a virtual running app for indoor training. You can use it with your tablet, smartphone and Apple TV. You can use the vxFitRunPi with Zwift, Kinomap, BigGym, and other similar apps. The battery life lasts up to 14 days if you run an hour each day.