This advanced gentlemen’s enhancement system offers results plus vibration for extra stimulation. Performance VX4 consists of a 10 in. vacuum chamber, trigger pump, pressure release valve, a realistic seal and an elastomer penis ring. The precision engineered vacuum chamber is clear for viewing your progress. Adjust the intensity precisely with the two-finger trigger pump control and disengage with the quick release valve. The soft pussy seal is made of realistic X5 material and warms quickly to body temperature. Please your manhood even more with vibration, easily controlled with the multispeed dial. The Performance VX4 is not only a tool, but a multipurpose pleasure device. Requires 2AA batteries, not included. Weight (without packaging) is 16.6 oz.