powerfuldental vibrator This is a great power, high efficiency vibrator, the uniquedesign of the base heat radiation to make it always work in a long time. It has two grades, weak grade, strong grade, it can be changed asneeded. before power, put the switch in the middle part”O”, and then in the power, turn on the switch (the indicator lightturns on), and choose the degree of strong or weak degree, finally, turn on theswitch of two or a switch, start working.
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