This is an innovative wearable heating device. The removable carbon fiber heating system can be used with various garment styles so that mobile power source can be used to heat the attached garment. The differences between this product and the traditional electrically heating garments are: 1.The product is not limited to be used with only one specific garment. It can be removed and used with all garments fitted with the patented fitting structure. 2.It can be used with mobile power source with an output of 5V/2.1A. 3.The switch and electric heating device can be removed for maintenance or laundry without interfering the wear.