... line ect is inserted into the corresponding socket. 3,turn on the power and adjust the suitable intensity. 4,hold ... . 3, Caution 1,when you finish using ,first turn off the power switch ,then take out the needles to ... deep skin ,and don’t stay for a long time ,otherwise burn dermis. 3,if you can’t remove ... once ,you can remove it again after scab fall off, never pick very deep to leave scar or ...