USAGE1, It can be used as infusion heater when people feel cold at the transfusion. The temperature of the surface of the heater will come to more than 50 degree in ten minutes after it unpacked, and it can last at least 3 hours. When the speed of infusion is 2-4 ml/min, and the room temperature is between 5-10 degree, the liquid temperature is not lower than 12 degree. When the speed temperature is 20 degree, the liquid temperature is not higher than 33 degree. 2, It can be used as emergency hand warmer when people suffer cold weather. Uncover the package and let the hole open to the air for five to ten minutes and the temperature of the heater will make your hands warm for more than 3 hours. CharacteristicsPortable, light weight, innoxious, easy use.
