About the product Our defrost heating sheet. It reduces the retention of frost on the surface of the car, while providing warmth and comfort to body parts and relieving muscle soreness. Its usage is very simple: first take out the USB plug, plug it into the mobile power 2A jack, turn on the mobile power, turn on the online temperature control switch to heat it. After use, it can make it difficult for ice and snow to stay, prevent the vehicle from freezing, heat the surrounding space, and make the surrounding warmer. Product name: defrost heating sheet Product ingredients: Keywords: defrost heating Weight: 30g Product specifications: 1pcs Product size: 10*8cm Note: Light reflection and different displays may cause the color of the product in the picture to be slightly different from the actual product. Minor errors are allowed in measurement.