1. Function: Through the built-in heating pad (usually powered by USB or battery), it continuously emits gentle heat to protect cold-sensitive pets (such as short-haired dogs, young pets, and elderly pets) from the cold, preventing frostbite or chilling;
2. Type: According to the power supply method, there are plug-in models (with long battery life, suitable for home use) and charging models (portable, suitable for taking pets out for walks); according to the material, there are waterproof Oxford cloth models (resistant to dirt and easy to clean) and plush models (soft and skin-friendly), with a design that fits the pet's body shape without affecting movement;
3. Key points of use: Choose products with overheat protection to avoid prolonged use at high temperatures; check the position of the heating element when wearing, and clean the outer clothing regularly (note to disassemble the heating component before cleaning).