Maximize every stroke with the Optimum Power® Masturwand Vibrating Stroker. This one-of-a-kind open sleeve design and intense vibration functions allow for maximum stroking action. The unique flexible head with sensual ridges puts out 7 functions of rumbling vibrations for mind-blowing sensations. An easy-grip handle and easy push-button control makes it easy to take pleasure into your own hands. To turn on/off, simply hold the single button control for 3 seconds. Look forward to over 2 hours of low speed pleasure and 1.5 hours of high-speed sensations, with a complete charge time of 2.5 hours. Measurements 1.75" x 3" / 4.5cm x 7.5cm (Head). 8" x 3" / 20.25cm x 7.5cm (Overall). One Year Warranty.