★ Made of premium quality medical silicone, skin-friendly, Vacuum physical help erection.
★ The penis pump can pump automatically, and you can enjoy hands-free play.
★ The penis pump has 3 buttons, a power key, a boost & decrease valve, easy to use.
★ The cylinder is transparent, you can clearly see your penis is growing bigger and stronger.
★ The automatic electric vacuum pump is a USB charging, easy to use, and carry.