Powerful massager with rippling waves plus flickering teaser. 3 speeds of rippling waves in the shaft. 10 functions of independent vibration, pulsation and escalation in the stimulator. Body-safe Silicone. State-of-the-art memory chip resumes on last function used. Easy push-button control with security travel lock feature. USB rechargeable - charging cord included. Complete charge in 2.5 hours. Runs for 40 minutes on high speed and 2.5 hours on low speed.