The unisex heated warm vest is perfect for cold seasons, which is the choice and also works great as a standalone vest. Waterproof electronic supports hand washing, and machine washing. heated vest- 5V safety voltage. Three style temperature mode control. Best Christmas parents and families. Feature - Color: Black. - Material: Polyster, spandex. - Size Table: : 155-170cm(height); 58cm(clothes length); 96cm(chest); 38cm(shoulder width); L: 165-180cm(height); 60cm(clothes length); 100cm(chest);40cm(shoulder width); XL: 175cm(height); 63cm(clothes length); 108cm(chest); 42cm(shoulder width); 2XL: 180cm(height); 66cm(clothes length); 110cm(chest); 44cm(shoulder width); 3XL: 185cm(height); 68cm(clothes length); 120cm(chest); 46cm(shoulder width); - Operantion under USB charging, heated within 1 minute. - Three style temperature mode control. Up to 65°C. - The heated warm vest is perfect for cold seasons, which is the choice and also works great as a standalone vest. - Waterproof electronic supports hand washing, and machine washing. - heated vest- 5V safety voltage. Built-in thermal module. - Note: This product does not have a mobile power supply and needs to be prepared. It can be machine washed, hand washed, do not wring dry by hand. Package list: 1 x electronic heated vest