The CORE 1 sensor monitors your thermal data in real time for better performance. Safely and effectively facilitate your heat training to increase your hemoglobin mass and VO2 max, or monitor your data on race day so you can cool down and adjust your performance accordingly.

Train and perform at your best with the most accurate non-invasive wearable device for continuous core body temperature monitoring. With the sensor, you can easily see how much your core temperature rises during exertion, so you can train your body to adapt to internal and external heat. You can also create personalized cooling protocols to help you maintain your performance and pace on race day. With CORE, you'll be able to perform at your absolute best in all conditions.

Highlights of CORE 1

• Real-time monitoring of accurate core body temperature
• Experience a new dimension of performance with crucial data that was previously unavailable to you
• ANT+ and Bluetooth compatibility with automatic data transfer
• With CORE, you don't need to familiarize yourself with a new device: The data is already displayed on your preferred sports device
• Data storage in the cloud and CORE phone app to analyze trends over time
• See how your core body temperature correlates with performance metrics so you can learn and adapt
• Accuracy confirmed and validated through clinical, lab and field testing
• Elite athletes and coaches rely on CORE to provide key insights for training and competition

Technical details of the CORE 1

• Compact size: 40 mm width x 50 mm height x 8.35 mm depth
• Weight: 12 grams
• Provides highest level accuracy (based on ISO_80601-2-56, mean absolute deviation of 0.21 °C)
• Non-invasive (worn on the chest)
• Not affected by thermal influences from the environment
• Battery life: 6 days continuous transmission time (up to 6 weeks with sleep mode)
• Rechargeable lithium polymer battery (USB charging cable included)
• Waterproof up to 1.5 m (IPX7)
• Bluetooth BLE & ANT+ connectivity
• Connects with: CORE iOS and Android app, WatchOS, Wear OS, Garmin ConnectIQ watches and bike computers, Wahoo bike computers, COROS watches, SUUNTO watches and more.

Scope of delivery

• CORE 1 sensor
• Magnetic USB charging cable
• 6 high-quality grade adhesive patches
• Clips for attaching the sensor to the heart rate monitor strap
• Instructions for setting up the CORE iOS / Android app