Sony's 2026 flagship wearable thermo device: dual thermoelectric modules press a 20°C cooling plate to the back of your neck, managed by skin-temperature sensors and a climate tag. Cooling you can wear under a shirt.

• 20% stronger cooling than the previous generation, 20°C plate surface
• Adaptive Hold neckband, 40% more secure for commutes and site work
• Warm mode for winter: one device, all seasons
• Includes Reon Tag 2 sensor for automatic climate response