The eStim plug with a tapered shaft can be used with or without the electric current. The dildo can be warmed up or cooled down for an amazing experience. Bipolar. Connection port: Mystim round plug. A stimulation device e.g. item 0528927 0000 or 0529761 0000 is needed to activate the poles. 9 cm long, Ø 4 cm. Weight: 180 g. Material: medical aluminium.