1Using carbon fiber heating wire, infrared heating and harmless radiation, stable performance, safety and reliability, environmental protection, energy saving, soft and comfortable. 2Onebutton heating, threespeed temperature control, intelligent heating, usb interface, concealed in the inner pocket, large capacity can be put into a largecapacity electric treasure, and continuous heating for a long time. 3There are heating plates on both sides of the waist, back and chest, which are heated in all directions to keep warm. 4Waterproof fabric, inner layer quilted, can be washed, and the power interface is insulated and waterproof. 5Antidrilling down technology, noncrimping, fluffy texture, soft and comfortable down cotton is light and closefitting, antistatic, and the outer layer is windproof and warm. 6The neckline is soft and elastic, which fits the neck, does not pierce the skin, and is more comfortable to move.