This revolutionary patented design allows you to customize your pleasure with an extendable tube that locks in place at the exact length you desire. The Extender Pro Vibrating Pump has progressive IST technology with incredibly realistic intermittent suction to provide lifelike “milking” sensations for the best blow job of your life! For an even more mind-blowing masturbation experience, enjoy fully automated vibration along with the powerful suction. Simply press the buttons on the rechargeable motor for 3 suction modes and 5 patterns of teasing vibrations that travel all the way up your penis. The crystal-clear tube is designed for a firm grip and allows you to view the action. The stretchy TPR pleasure donut helps create a tight seal, while the supple internal pleasure nubs gently stroke your shaft. - Patented Extend-It Clamp - Customise the crystal-clear tube to your personal length for a perfect fit every time! Resting Tube Length - 8'' (20.5cm) Extended Tube Length - 10.25'' (26cm) - Progressive IST Technology = Lifelike Intermittent Suction - Enjoy maximum pleasure with realistic intermittent suction that automatically milks your shaft and feels just like a real oral sex experience. Surround your penis with 3 modes of stimulating vacuum suction that snugly tugs you to ecstasy! *Features Quick Release Button (R) – Press to instantly relieve pressure. - The Results Are Clear - The clear durable suction tube allows you to view the action. - Removeable Soft Oral Topper - The stretchy oral topper features a supple vagina that forms an air-tight seal to create intermittent suction. The topper is removable for easy cleaning and the pump may be used with or without it. - Erectile Dysfunction Aid - Regular masturbation strengthens pelvic floor muscles, helping to prevent erectile dysfunction (ED) in men. Edging, the practice of purposely delaying orgasm, can build sexual stamina and can help with ED by encouraging healthy blood flow to the penis. - Powerful Vibrations - 5 patterns of intensely satisfying vibrations heighten your experience. - USB Rechargeable - Ready when you are! Easily and conveniently rechargeable with included charging cord, offering hours of enjoyment. Care Instructions: The oral topper is removable for easy cleaning. Cleanup is a snap after the fun with Refresh Toy Cleaner and warm water. Do not submerge the PDX Elite Extender Pro Vibrating Pump in water. If desired, use a water-based lotion like Moist with this product. Operating Instructions: Tube Extension – Lift the OPEN/LOCKED lever to unlock and adjust the length of the tube. Press lever down to lock the tube at the length desired. Suction – To activate suction, press the (S) button. There are 3 modes of suction. Press the (S) button to cycle through all 3 modes of suction. Press and hold the (S) button for 3 seconds to turn OFF. Quick Release - Press and hold the (R) button to release suction, or pulse the (R) button for extra stimulation. Alternate release method: Press down on surrounding skin to break suction seal. During intermittent suction, the (R) button will flash on and off as suction is automatically pulsed. Vibration – To activate vibration, press the (V) button. There are 5 modes of vibration. Press the (V) button to cycle through all 5 vibrational modes. Press and hold the (V) button for 3 seconds to turn OFF.