With a penis pump, you ensure that your penis grows to its maximum size. If you use this device frequently, you will achieve noticeable penis growth. It is recommended to limit each session to 15 minutes to avoid injury or aggravation. In addition to its function as a penis enlarger, this pump has a second function. When the supplied soft silicone vagina sleeve is inserted into the tube, you can also use this device as an electronic suction masturbator. For limitless fun, the pump can be easily charged via the USB charging cable. A free vagina sleeve is included. By inserting the sleeve into the pump tube, the penis pump turns into a sucking masturbator.