Core Monitor

Sale price$350.00

Shipping calculated at checkout


Up to now, the core body temperature could only be measured continuously using invasive methods like thermometers, probes and electronic pills or in a controlled environment.

CORE is the first wearable device that continuously and accurately measures core body temperature on the go.

CORE seamlessly integrates and lets you see your live data on the Smart Phone App and record directly to Garmin and Wahoo.

The innovative sensor technology is built into a compact waterproof device that can be comfortably worn during sports activities, at work, or all day long.

  • Compact: 50 mm x 40 mm x 8.35 mm and weighs 12 grams
  • Provides medical grade accuracy*
  • Non-invasive (used on the chest)
  • Not impacted by environment thermal influences
  • Battery life: 6 days continuous transmission time (up to 6 weeks with sleep mode)
  • Rechargeable lithium-polymer battery (via USB cable supplied)

*medical-grade accuracy according to ISO_80601-2-56, Mean Absolute Deviation of 0.21 °C

In addition:

  • Waterproof up to 1.5m (refer to IPX7)
  • Bluetooth BLE & ANT+ Connectivity
  • APP support: iOS, Android, WatchOS, Wear OS, and Garmin ConnectIQ.

CORE includes:

  • CORE 
  • USB charging cable
  • Adhesive patches
  • Strap securing clips
  • Android/iOS App for data downloading


CORE has accompanying Smart Phone Apps available for iOS and Android.
Apps for selected Smartwatches including Garmin, AppleWatch, some wearOS watches. 

CORE connects to Garmin devices with the CORE ConnectIQ App. 
Wahoo devices can also be connected to CORE. 

It is also compatible with selected popular third-party software and integration with more devices and software is continuing.



Reducing power output is effective although in competitive sports, this may not always be an option. Physical intensity has the single biggest impact on the core body temperature in active sports.

Wind Cooling and wicking has a significant impact on cooling. A triathlon competitor on the cycle-leg with a higher speed (and more wind) will be able to remain cooler compared to the run-leg if they maintain the same power output but have a lower moving speed and thus a lower cooling effect from the wind.

Water Cooling by tipping a bottle of water over the head and body and even sprays or showers that may be available for some sports people can help slow the increase or core body temperature.

Sports Wear is relevant with regard to the material selection (cooling / wicking) as well as planning-ahead and 'shedding' warm layers of clothing in advance. Sports wear with integrated ice-packs for example can be used ahead of the race by athletes competing in short-distance races.

Hydration can also impact cooling and be timed (frequency or at key points in a race) as well as the temperature of the fluids.

Active cooling is also related to the strategy and pacing plan. Being familiar with the individual response and 'planning ahead' (for example depending on the course and conditions) is part of the active cooling approach.

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