Stimulate up to four areas at once with a dual-channel stimulator, tickling the perineum and massaging the prostate in unison. The Shape and Play design allows you to angle the tip, shaft and perineum stimulator for a tailored fit against your erogenous zones.This male sex toy could lead you to a hands-free orgasm. Use Sirius with a dual-channel stimulator and enliven the four quadri-polar contacts with electrosex tingles. Use Sirius with a single-channel stimulator and choose to enliven any two contacts, focusing stimulation to either side of the shaft or either side of the perineum massager.Crafted from platinum-cured medical-grade silicone, Sirius is beautifully smooth to the touch and has a squeezable density to improve comfort and amplify your excitement during play. Quadri-polar for internal and external stimulation - takes four 2mm pin connectors. One Silicone Noir Sirius electrode is included in each pack. Connect to an ElectraStim stimulator to feel the sensations described. 4 in. insertable length by 4.45 in. circumference.