Facial cleansing brush. 12.000 revolutions per minute. Rechargeable battery. •Acne treatment, deep cleansing, pore cleanser. •It will leave your skin clearer, brighter and softer, suitable for all skin types. •Rechargeable battery via charging stand. Voltage: 5V Battery: 500 mAh Frequency: 12,000 RPM ABS and silicone.