Apollo Rechargeable Support Ring. Soft, stretchy and comfortable Silicone enhancer ringBuilt in scrotum ring for added support. 7 intense functions of vibration, pulsation and escalation. USB rechargeable. Charging cord included. Safe and pure for body and pleasure. Made using phthalate free materials Silicone. 3.5 inches by 2.25 inches overall.1 inch penis ring diameter.