The piston cylinder is made of explosion-proof and crack-resistant ABS material, ensuring a completely enclosed space. The ultra-thick connecting pipes provide a secure connection between the piston and handle, preventing any air leakage.

With a clear view of penile changes through the transparent material, you can manually adjust the suction force inside the piston using the handle, achieving complete control over the intensity.

The handle connecting rod features a convenient one-click pressure release valve. By pressing the valve button, you can quickly release the pressure inside the piston.

The medical-grade silicone sealing ring is skin-friendly, flexible, and snug-fitting, ensuring an effective seal without deformation or breakage. (Optional use)

The working principle involves internal sealing and mechanical stretching to extract air, creating a negative pressure vacuum environment that accelerates penile erection through cyclic physical exercise, ultimately enhancing performance.