Men and Women Outdoor USB Heating Vest Jacket Winter Flexible Electric Thermal Clothing Waistcoat Fishing Hiking Warm Clothes Upgraded heating elements generating heat from the front to the back to make you feel warm in 360 degrees. One button for 3 heating settings, made of soft skin-friendly material which ensures smooth and comfortable feeling. Design with the latest carbon fiber and fine quality TPU heating sheet for heats up quickly within 1-3 seconds. Features: This vest can heat the body for a long time, help to keep the blood circulation and relieve the pain of rheumatism and muscle strain. Powered by any 5V/2.1A portable charge(low and safe voltage), USB plug compatible with most portable charge in the market. (Power bank is not included) After switching off the power, the heat can be left for 6 hours. Heated vest features 5 carbon fiber heaters (around the waist and back). The material of the clothing lining is soft and comfortable. Electric heated clothing help promotes blood circulation, relief pain of muscles. Perfect for outdoor activities like a snowmobile, motorcycle, mountain, camp, hike, ski, or office routine and business try during fall and winter. Specifications: Color: black Size: M, L, XL, XXL, XXXL, XXXXL (optional) Length: M: 0.60m L: 0.62m XL: 0.64m XXL: 0.66m XXXL: 0.68m XXXXL: 0.70m Chest: M: 0.47m L: 0.49m XL: 0.51m XXL: 0.53m XXXL: 0.55m XXXXL: 0.57m Waist: M: 0.45m L: 0.47m XL: 0.49m XXL: 0.51m XXXL: 0.54m XXXXL: 0.56m Shoulder: M: 0.38m L: 0.40m XL: 0.42m XXL: 0.44m XXXL: 0.46m XXXXL: 0.48m Package size: 300 * 200 * 100mm / 11.8 * 7.9 * 3.9in Package weight: M: 400g / 0.9lb L: 450g / 1.0lb XL: 500g / 1.1lb XXL: 550g / 1.2lb XXXL: 600g / 1.3lb XXXXL: 650g / 1.4lb Package list: 1 * Heating Vest