Feel the electrifying pleasure provided by the ElectraStim Flick Duo Stimulator Pack. Get ready for a shock as you reach an awesome climax. It has seven built-in programs that are designed to get you there but it can be customized as well. Customization is built-in so if you get tired of the preset motions you can make your own. Stimulation can be slow, fast, soft or hard - go with what you like. It also a has a convenient USB re-chargeable system that eliminates the hassle of changing batteries. The long lasting batteries also allow it to be operated for up to 4 hours of pleasurable joy. It has a slim and ergonomic design that makes it easy on the hands and it features a soft touch finish. The durable control panel is also equipped with tactile control buttons. It is truly a revolutionary device that harnesses electro stimulation technology.