- For $285, the Core body sensor is currently on sale.
- It is lightweight, has a long battery life, measures internal body temperature accurately, and has a useful smartphone app.
- Over the past ten years, wearable technology has improved to the point where amateur athletes
- can now record large amounts of data with their smartwatches, GPS sports watches, and external heart rate monitors.
- I've been using the Core sensor, a wearable gadget that takes your internal body temperature without the need for more intrusive techniques, for the past few months while I run and cycle.
- Running power has gained more attention in recent years, but heart rate tracking has always been the most popular performance indicator for runners.