The extender pro vibration pump is a unique product. this masturbator can be extended to 26 cm! The masturbator comes with three designer silicone penis rings for extra stimulation during use. the entire case and the cover are transparent, so you can experience the process up close. increase your masturbation to a completely different level with this masturbator! This masturbator comes with several extensive settings and a powerful motor. the motor can be powered via a usb cable, so it is always ready for use! The internal structure guarantees amazing sensations. the settings can be adjusted easily and according to your wishes. after use, you can remove and clean the cover with sex toy cleaner and lukewarm water.the masturbator has three buttons with the following different letters: v, t, s and r. press the v button to activate the stimulating vibrations and press again to change the setting (there are 5 in total). press and hold the v key for 3 seconds to turn off the vibrations. the s key activates the suction mode. each time you press the s button, you can switch the suction setting to the next level. press and hold the s key for 3 seconds to turn this function off. the last key is the r key. press this key to switch off all functions.