The Enhancer Vibrating Cockring from Nasstoys helps keep you harder longer and delivers 10 powerful vibration functions with dual motors! andnbsp;The thick, silky silicone ring may be stretched over the penis and testicles using a water-based lubricant; or larger penis owners may use as a traditional cock ring, sliding onto only the base of an erect penis. andnbsp;Press and hold the power button to engage both motors then press again to cycle through the functions. andnbsp;Clean with toy cleaner before and after each use. andnbsp;To charge, the pin charger into the ring and then connect the USB end into a power source. 10 functionBody safe siliconeThe hardest erection you`ve ever hadRoHS compliantPhthalates freeWaterproofMaterials: Silicone, ABSSize: Length - 3, Width - 3Rechargeable: Charging Time - 2 hours, Working Time - 1 hour, Voltage - 3.7V