■ Pure Gold Germanium Roller ■ Pure Gold Finish ■ Semiconductor chip using 99.999% purity germanium. 200mV negative potential. ■ Very easy, self-esthetic anytime, anywhere, roll-roll ■ Basic care: roll the tapping rotor with a semiconductor chip on your skin. You can also cool down by rolling the coolant rotor on your skin. ■ Set includes box, instruction manual, drawstring storage bag, and main unit. The main unit has no noticeable scratches, but the storage bag and box have stains. ■ Serial number is attached to guarantee quality. ■ Used a few times.