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 Glorious Duo has a tighter grip on the shaft and testicles with thin but restrained loops. The vibrating head has a wide, slim profile with the one-touch power on the back centre. Available in Dark Blue. - Body friendly silicone - Rechargeable - Waterproof IPX7