Composite fiber heating, extremely fast heating, efficient transformation, small foreign body sensation, soft and thin. Three temperature controls, 35°C-40°C, 40°C-45°C, 45°C-50°C, can easily adjust the temperature. Felt texture, delicate felt cloth, soft texture, no peculiar smell, flat and even, no pilling, no cat falling. Automatic power-off, over-temperature automatic breakpoint, safety line of defense, automatic power-off within 10 hours, worry-free use. Low voltage safety, low power. Lower than the human body safety voltage, energy saving and no tripping.