Strong vibrations, conveniently controllable via remote. This rechargeable vibro-ball duo features an elastic retrieval cord and seven vibration modes. The remote allows for easy and enjoyable control of the vibrations. Both the vibro balls and the remote can be charged simultaneously using the two included USB charging cables. The total length is 21.1 cm (including the retrieval cord) and the maximum diameter is 3.8 cm. Made from silicone with a PU coating.