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CORE 2 Body Sensor in a new and improved design. Reach your performance potential with real-time monitoring of your core body temperature.
Free Shipping for orders over 60 CHF. Below we have a surcharge of 8.90 CHF
Delivery within 24 - 48h
CORE 2 Body Sensor is not just a smaller sensor - it's a smarter tool for real-time thermal monitoring:
More compact
48% smaller and 30% lighter than CORE 1
Smarter design
New red LED light for a clearer indication of the battery charge status
Modular usability
Removable strap clip for easier securing and charging
Future-proof hardware
Designed to support upcoming software innovations
The CORE sensor is the first and only wearable device that allows you to continuously and accurately monitor your core body temperature so you can train optimally and perform better.
Optimise athletic performance with the CORE Body Temperature Sensor
Monitoring core body temperature plays a crucial role in optimising athletic performance, especially in extreme weather conditions. The CORE Body Temperature Sensor offers an innovative, wearable solution for athletes who want to improve their training and competition strategies by continuously and accurately monitoring their core body temperature.
Heat adaptation and cooling strategies: Using CORE data, athletes can monitor their training zones for heat adaptation and develop personalised cooling strategies tailored to their individual needs. This leads to better performance in both hot and cold conditions
- Heat training: Increase strength and endurance on race day through targeted and structured heat training
- Acclimatisation: Prepare your body for warmer climatic conditions before the race. This keeps your body cooler for longer, which leads to better performance.
- Real-time monitoring: Track your core body temperature in real time and discover strategies and methods to cool your body.
- Accuracy confirmed by clinical lab tests.
- Automatically sends data to your sports watch and training apps. Use the free CORE app to track temperature-related data, trends and insights.
- ANT+ and Bluetooth compatible for easy pairing with your favourite devices (sports watch, training apps)
- Kristian Blummenfelt (triathlete)
- Tom Evans (Ultrarunner)
- Olav Aleksander Bu (Coach & Sports Scientist)
- but also used in the Olympics, professional peloton, cycling and road cycling
- Dimensions (without clip): 41.9 x 29.4 x 7.1 mm
- Dimensions with clip: 45.1 x 32.6 x 9.6 mm
- Device weight: 8.6 g (without clip) | 11.4 g (with clip)
- Battery: Rechargeable lithium polymer cell (3.6 V)
- Power supply: USB-C magnetic adapter cable (included in the scope of delivery)
- Power supply: 5V DC, max. 30mA current consumption
- Battery life: at least 6 days; up to 30 days with standby mode activated
- Connectivity: Bluetooth Low Energy (BLE), ANT+ (2.4 GHz band)
- Maximum transmission power: 8 dbm (6.3 mW)
- Material description: Skin-friendly ABS (device) and TPU (elasticated clip)
- Immersion resistance: >1.5 m water column for >6 hours
Temperature ranges of the device:
- Operation: 10° C - 45° C (device temperature)
- Absolute limit values: -20° C - 65° C (device temperature)
- Storage: 10° C - 25° C (recommended)
Measuring ranges:
- Core temperature: 36.0° C - 42.0° C
- Skin temperature: 0° C - 50° C
Compared to the CORE 1, the CORE 2 is smaller, lighter, more intelligent and ready for future innovations. It also features a redesigned attachment system for easier removal and charging and a new LED battery status indicator.
Customers who have purchased the Core 1 from us can benefit from the following offer: Between 14 March and 30 June 2025, CORE 1 owners will be offered the opportunity to trade-in their old device and receive a 30% discount on a CORE 2 upgrade.
How to proceed:
- Option 1: Return the old sensor and we will send you a promo code
- Option 2: Send an e-mail to info@sportbenzin.ch with the series number and a picture of the front and back. We will then send you a promo code