Thank you for viewing. Equipped with a Japanese-made heater, heats up to 70°C • Built-in heaters in multiple locations (stomach, shoulders, back, waist) • 3-level temperature adjustment (low, medium, high) for use in various situations • Safe and secure with overheating protection function • The power button is inconspicuous, allowing it to be worn like a regular vest • Unisex design • Convertible collar design, freely switchable between round neck and V-neck • Battery sold separately