1. Negative pressure/suction helps to relax the smooth muscle cells, this allows for sponge swells
2. After the sponge expands, arterial blood flows in to speed up the sponge hyperemia and increases the hardnessof your penis. The more the sponge is inflated, the more solid your penis will be and the more it will grow.
3. Air pressure will increase your cavernous body, with low vacuum pressure in the cylinder, your cavernous body will be exercised
in a physical safe way.
4. Universal design, fits all.
Model： TWA01
Size： ABS + TPE
Weight： 450g
Material： ABS + TPE
Waterproof: Yes.100% Waterproof
Charging：USB Rechargeable
Modes: 6 Frequency Modes
Max Noise:≤50db
