Specification: Name: Fleece Lined Heated Vest SKU: 6060 Gender: Women, Men Material: Polyester Voltage: 5V/1A Interface: USB Heating Zones: 10 zones Heating levels: 3 intelligent settings Heating temperature: High (Red Light): 55°C; Medium (White Light): 45°C; Low (Blue Light): 35°C Season: Autumn/Winter