Electric Egg Shock: The simplest electric principle is to make a small spherical object vibrate. If it vibrates only in the air, it may not play any entertainment role. Moreover, you can manipulate it. 

Electric simulator: It's not different from the real one, but more beautiful and more functional. Due to material problems, it will also have a variety of colors, sizes, you can buy according to your actual situation according to your needs. 

3. Delay ring: Give women multiple care, give men more fun time, add soft thorns on the thumb-like comfort device, make women happier