Therma Band by Showa Shokai

This wristband-type wearable device estimates rises in core body temperature based on pulse wave data and immediately alerts users to heat stress risks using three types of notifications: sound, light, and vibration. It is easy to use—simply wear it snugly against the skin—and offers up to 20 hours of continuous operation on a single charge. As a heatstroke prevention support tool, it is suitable for use across a wide range of industries.

【Product Features】
• Easy to wear with a comfortable fit
• Estimates rises in core body temperature using a proprietary algorithm
• Alerts users to heat stress risks via LED indicators and vibration
• Rechargeable and reusable for long-term use
Note: This product is not classified as a medical device.

▲ Alerts users to heat stress risk through sound, light, and vibration

【Main Specifications】
• Device dimensions: 48 × 25.5 × 15.13 mm
• Wrist size range: 130–220 mm
• Weight: Approx. 25 g
• Materials: [Body] Polycarbonate (PC), [Band] Silicone
• Battery: Lithium-ion, 3.7V / 120mAh
• Operating temperature: -10°C to 50°C
• Water & dust resistance: IP67 rated
• Charging method: Magnetic contact charging
• Charging life cycle: Approx. 300 charges
• Sensor: Optical heart rate sensor ×1
• Heart rate sampling interval: 4 minutes every 9 minutes