Skin care products are essential for skin care, and some friends use them with beauty devices to achieve even better results. There are various brands of beauty devices, among which the refa beauty device is the most commonly used and has received unanimous praise from many friends. Some friends are using the refa beauty device for the first time and don't understand its charging method. So how do you charge the refa and how do you know if the refa is off? Let me answer this question in detail below.
Refa does not require recharging, which means that there is no need to consider recharging, because its principle of operation is that the human skin itself has a low current and that The Refa beauty instrument has a solar panel that it can absorb. microcurrent generated by solar energy. In simple terms, as long as the microcurrentis generated in a bright place, it can be used. This microcurrent can stimulate skin, increase metabolism, promote collagen production, improve skin elasticity, firm and lift skin.
To determine if the refa beauty instrument has electricity, it must actually test if there is microcurrent. You need to prepare a professional multimeter in advance. You need to set the device and. DC. Adjust the instrument to position A, connect the positive electrode to the handle and the negative electrode to the roller. Note that the black pen should be connected to the COM hole and the red pen should be connected to the mA/uA hole. , so you can test whether there is microcurrent.