This electric hot water bottle is versatile and ideal for warming hands and feet, whether at home, in the office, or when traveling. You will experience unrivaled comfort and coziness with this electric hot water bottle. The hot water bottle has an output of 380 to 450 watts for quick and efficient heating. It takes approximately 15 minutes to charge and provides up to 6 hours of cozy warmth. The high-quality material and ergonomic design not only offer a pleasant feel but also durability and comfort. Safety is paramount: the surface temperature is between 55 and 65°C for pleasant and safe warmth. The explosion-proof charger ensures safe charging, while the built-in thermostat and fuse guarantee constant and reliable operation.