CottonImportedMachine WashADVANCED TECHNOLOGYBased on 3 years of research & development, invented a new generation of carbon fiber far infrared heating technology. Heated hoodie for men and women, 3 seconds faster heating, uniform heating, endure 52+ machine wash cycles heat tecADVANCED FABRICS Cotton/polyester blend provides abrasion resistance, comfort, and durability. Breathable fleece lining that makes you feeling well for the soft skin. Relaxed style outfits the entire family. The heated hoodie over time to keep you warm for active and everyday activities.FASHION FEATURESDdjustable drawstring on the hood provides style and function. LED controller with high, medium and low settings. Generate heat in the core body area of the upper chest and back.What You Will Get1*Unisex Heated Sweatshirt.(Batteries not included1Battery not included 2We are Asian size, 2-3 sizes smaller than European size, please choose the right size according to our size chart 3Recommend batteries model, please use batteries with high USB Power DeliveryunitW The higher the USB Power Delivery, the higher the heating temperature.output Power (W)=Voltage (V) Current (A). for example output power 10W=5V*2A / output power 22.5W=5V*4.5A