The ENVY Nine is a 8,000 RPM dual-motored stimulator that has seven functions plus independent, incremental speed control. This dual stimultor features large butterfly wings that hug and caress. The memory chip allows the user to either pick up where they left off or resume a favorite function. This product boasts a complete charge time of two and a half hours as well as independent speed control, which gives the user more options. Made of premium Silicone, it has a satin finish that is virtually seamless. Plus, it is whisper-quiet and waterproof. It comes with a universal USB charging cord and security travel lock function for the users on the go.