(1) From its own point of view: generally, the rechargeable hand warmer uses the lithium battery function, which has three advantages: large capacity, more environmental protection, recyclable use, and it is generally charged for 3-4 hours. It can keep warm for 2 times under normal temperature. Of course, it also depends on the model. The energy consumption time of different lithium battery models is different
(2) From the perspective of health: electric heating is beneficial to the health of the body. It can generally promote blood circulation and accelerate metabolism. There is a ceramic heater used internally, which is free of electromagnetic radiation. It is ideal for keeping warm in winter for patients with arthritis and rheumatism
(3) From the perspective of appearance: the general rechargeable hand warmers are small and lovely in shape, and can also be matched with different coats. They are rated as one of the most popular gadgets for girls in winter and are popular with girls.
(4) from the perspective of convenient use, the USB reverse charging function can be used to charge various digital products (e.g. rechargeable treasure), which is convenient for home, work and going out.
