This is rechargeable and good for blackheads and acne.It comes with 4 heads for different suction pressures on your face.Clean your face with your usual products and best to use after a warm bath or after putting a warm hot flannel over your face as it opens your pores.Move the electronic facial pore/blackhead cleaner over your face slowly and don't keep it in the same place for more than few seconds.There is 4 intensities ranging low to high.If you feel any pain stop using it.Start with low intensity and gradually intensify to what your skin can accept.good price and worth purchasing.