※Due to a return to my hometown, purchases made after the 26th will be shipped on January 1st. m(_ _)m This is a low-frequency massager with four modes: massage, vibration, suction, and random. You can adjust the intensity of the stimulation with the dial on the right. I bought it to help heal a leg injury quickly, and it worked wonders. I'm selling it to someone who can make good use of it now that I'm fully recovered.