Product information Epic Duo Made of super soft, skin-friendly medical silicone with a silky feel and extremely hygienic properties. Increased endurance due to the simultaneous blood accumulation effect in the penis and testicles. Ideal for couples. 15-year warranty. Super strong deep vibrations. 12 vibration programs. Whisper mode. Waterproof (IPX7). Lithium-ion battery. Easy to clean. Magnetic USB charging cable included. Body-safe silicone. What can the Satisfyer Epic Duo offer? Perfect for strengthening and maintaining erections, while increasing and delaying pleasure, our Duo line will not disappoint... Each Duo is equipped with a powerful motor to transmit vibrations through the silicone bands and motor head, simultaneously exciting your partner during penetration. Satisfyer Epic Duo: Vibrating silicone penis ring. The Epic Duo is a teardrop-shaped ring, slightly curved and with ribbed details, with a one-touch start button in the center. It falls in the mid-range of thicker curls between the spectacular and legendary Duo. This is also the only Duo device that is compatible with the Satisfyer Connect app for unlimited customization and control! Available in dark blue (navy)