Heated Vest Warm Electric Heated USB Jacket Comfortable Cotton Clothing Waterproof 9 Heating Zones Coat Heating Warmer Pad Please Note: This heating suit is a Chinese size, European and American customers are advised to buy three sizes larger! ! ! Description: Warm, Comfortable, Classic Style Design: It can ensure that you do not lose any excess heat, enjoy the comfort of warmth. It is gentle, waterproof, windproof, ensuring you are not restricted to outdoor sports without losing elegance. Safe and Reliable: 5V safe voltage, the heating piece uses carbon fiber heating wire, no radiation, stable heat, temperature control. Always connect 5V mobile power, (the product does not include mobile power). You need to remove the mobile power when washing, you can easily wash, hand wash, dry cleaning. Three-Speed Temperature Adjustment:Three high temperature, medium temperature, low temperature mode adjustment, easy heating. Widely Applicable: Ideal gifts for family members, friends and staff, enjoy snowmobiling, motorbike, hiking, camping, hiking, skiing, fishing, hunting or office daily life and autumn and winter. Specifications: Heating area: Back neckline, back Crew neck Product name: Electric Vest Material: 100% nylon/Filler: 100% polyester