This unisex heated vest, with carbon fiber heating sheet, can adjust the warmth level, suitable for outdoor travel, sports, leisure, and other occasions in winter. Features: High-grade fabric: Made of 100DM four-way elastic composite polar fleece fabric, which has excellent thermal insulation performance, good stretchability, and slim and beautiful appearance. USB power supply: universal USB port power supply, convenient and fast, no need to worry about battery problems. Double button switch: 5V double button switch, which can control heating in different areas to meet personalized needs. Efficient heating: It uses carbon fiber for heating, which is efficient and durable. It has 5 heating zones (three on the back and two on the abdomen) to keep warm in all directions. Machine Washable: Use a mesh laundry bag, machine washing can also ensure the life of the heated vest. Specifications: Material: Polyester, carbon fiber Size: S/M/L/XLOptional Package Size: 32*22*5cm / 12.6*8.7*2in Package Weight: 800g / 28.2oz Package List: 1 * Heated Vest (Battery Not Included)