This is an innovative wearable heating device. The removable carbon fiber heating system can be used with various garment styles so that mobile power sources can be used to heat the attached garment. The differences between this product and the traditional electrical heating garments are: 1.The product is not limited to use 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 sources with an output of 5 V / 2.1 A. 3. The switch and electric heating device can be removed for maintenance or laundry without interfering the wear.