1. USB chargeable, built-in 800MAh Lithium battery for penis enlargement .
2.. Vacuum time: 15-40 seconds
3.It is very silence, noise <50db
4.Best tools for sex.
5. It can use more than 40 times, when you fill the battery.
6.With many kinds of penis enlargement for your choose, contact now.
7. 3 model and multispeed.
8.Display:Blue LCD display
9.power :USB charging
1 x Enlarger