<p>Ultra powerful turbo charged sucking and stroking vibrating pump. Easy grip pump has superb sucking action and vacuum seal. Soft stretchy noduled silicone stroker sleeve, with ejaculating turbo-charged head exciter produces maximum penis enhancement. Independent variable controls for vibration and ejaculating motion. Cylinder includes measurement scale. Sample lube included. 4 C batteries.</p> <p>Some men swear by the use of pumps as effective tools for increasing size while others think pumps have no lasting effect. Pumps can extend length while using, but the question is, will the penis return to original size after using? Unfortunately we do not have that answer and can not guarantee or be responsible for any results.</p>