Optimum PowerÂ® Pro Stroker is a high-tech, high-end masturbator. Rather than just a simple piece of material, this one's got the juice, too! The interior of this adult toy is ribbed with nodes to maximize your pleasure. The open-sleeve design allows you to have the grip you desire, with a flexible sleeve for a loose or tight sleeve, and will also maximize cleaning.The powerful dual-internal-motor produces a strong vibration with 7 functions of vibrations and pulsation, escalating to your perfect pleasure pitch, with this stroker pushing an eye-watering 60 minutes on high speed and an unbelievable 150 minutes on lower power settings. A simple recharge of two hours brings the entire device back up to full power.This handheld vibration machine will boost your pleasure with the 3 silicone support rings, included for your stimulation, and the state-of-the-art memory chip will resume on the last function you used, ensuring a quick, no-hassle start and end to your late night or early morning sessions. The included travel lock for the Optimum PowerÂ® Pro Stroker ensures no embarrassing TSA moments, with reactivation requiring a 3-second push.Warranty1 Year WarrantyMax Run Time150 minutesMax Charging Time120 minutesMeasurements2.5" x 3.75" x 2.5" / 6.25cm x 9.5cm x 6.25cm (Overall)1.25" / 3.25cm (Diameter)One Year Warranty.