An invisible vibrating egg designed by Ball to exercise the vagina and exert a contracting effect,Remote control, invisible underwear vibrating eggs, can be used outdoors.Increase the fun between husband and wife, with remote control.Environmentally friendly, safty and hygienic, soft, smooth, non-toxic and odorless and skin-friendly. Unique handle design, easy to put in and easy to pull out, prodives you a wonderful experience. You can have a try.