You can use this dildo both vaginally and anally. They will only give current when the two parts separated by the black ring are in contact with the skin. Thanks to its 2.5 mm connector you can connect it to any Rimba Power Box. Keep in mind that you should not use this toy if you have sensitive or irritated skin, if you are pregnant or if you have heart problems. Features: Lenght: 16 cm Diameter: 2,5 cm Alluminium