Satisfyer is excited to launch the line of Duo ''double'' vibrating penis rings - each complete with a ring to secure and stimulate the shaft as well as the testicles. Perfect for strengthening and sustaining erections while heightening and delaying pleasure, our Duo line up will not disappoint. Each Duo is equipped with a powerful motor to transmit vibrations through the silicone bands and head of the motor, simultaneously arousing your partner during penetration. The Spectacular Duo has a thick, angled head and comes in Bright Green (Chartreuse). Of the Duo collection, it has the thinnest loops with the most stretch. A one-touch power button is located on the side of the vibrating head. - Body friendly silicone - Rechargeable - Waterproof IPX7