Those who use treadmills might want to keep track of their speed, incline and other metrics as they work out. The Runn is a new gadget that captures this data and sends it right to a compatible fitness app. It is up for pre-order now, and is slated to ship in mid-December
https://www.notebookcheck.net/The-Runn-is-a-new-sensor-that-beams-treadmill-performance-to-a-smartphone.445922.0.html