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What is hand warmer

网责任编辑: 作者: 人气: - 发表时间:2017-11-18 09:14:00 Article Source: Network Editor: Author: Popularity: - Published: 2017-11-18 09:14:00 [ Tai Zhong small ]

Hand warmer is an automatic heating and health care product developed using physical and chemical principles. This product is popular for its unique and unique advantages such as automatic heat generation, fun, and practicality. Hand warmer has many functions such as automatic heating, physiotherapy and health care.

Hand warmers can be roughly divided into three types: one is heating by heating water, which is commonly known as the hot water bottle. Unlike the traditional hot water bottle, the electric hot water bottle saves the trouble of adding water, as long as it is plugged in, etc. It can heat up in 10 minutes. In fact, the water in it is boiled, so the temperature is generally high. One is to generate heat through chemical reactions. The hand warmers on the market are of this type. The temperature of the heat generated by the contact of chemical substances inside is about 40 ° C. The other is the use of a lithium battery function. The internal heating plate generates heat and uses a USB interface to charge and discharge. Similar to a hand warmer mouse pad , the lithium battery can generally be used as a mobile power supply because of its function of charging and discharging. Small size, easy to carry around, the temperature can reach about 50 ℃.

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