CORE 2 monitors your real-time thermal data for better performance. Safely and effectively facilitate heat training to boost your haemoglobin mass and VO2 max or monitor your data on race-day so you can cool and pace your effort accordingly.

• Compact Size: 41.9 x 29.4 x 7.1mm(no clip) | 45.1 x 32.6 x 9.6mm(with clip)
• Weight: 8.6g (no clip) | 11.4g (with clip)
• Battery: 6 days; up to 30 days with standby mode enabled
• Power Supply: USB-C magnetic adapter cable (included)
• Connectivity: Bluetooth low energy (BLE), ANT+ (2.4 GHz band)
• Waterproof: up to 1.5m (IPX7 rating)
• Research-backedaccuracy:mean difference range of -0.01C to +0.23C