Give yourself a boost with this sucking penis pump! The clear, plastic case attaches to a powerful, sucking motor with an easy-to-read display! On the other end, you can attach either the 20mm or 25mm silicone sleeves and slip your shaft inside to get swollen from the suction and pressure! The display shows you the exact amount of pressure and is easy to control and use. Choose between 4 intensity levels and 3 suction modes that stiffen your willy and suck your rod intensely! Rated IPX7, it is waterproof and can be submerged underwater for up to 30 minutes! Enjoy it in the shower or bathtub for a unique, wet experience! Want to switch it up? You can use this tool to get hard and then swap out the sleeves provided for a realistic, textured sleeve and enjoy the sucking sensation as you stroke yourself! All the pieces are detachable so you can easily clean up. Simply remove the motor from the case and slip off the silicone sleeves. Wash with warm water and mild soap, then rinse, spray with a toy cleaner and pat dry. Grab your lube and rub it on your shaft and the entrance to the sleeve. Then start to slide your shaft inside the case. If there`s any resistance, use some more lube to help it glide in. Turn the toy on and start to play with the settings. If it gets too intense, simply break the seal to release pressure or press the Suction Release button! Practice increasing the pressure 30 seconds at a time and then releasing it. Do this again and again before starting to play with different suction modes and intensities. Before you know it, you`ll be hard, twitching, and ready to play with your partner or blow your load! Power- Press and hold (power) button for 3 seconds to power on/off.Lips- Press (lips) button to cycle through 3 automatic sucking modes:1st mode- 6 seconds on, 2 seconds off.2nd mode- 6 seconds on, 2 seconds off, 4 seconds on.3rd mode- 8 seconds on, 2 seconds off, 4 seconds on.Suction- Press (suction) button to cycle through 4 intensity levels of continuous suction.Suction Release- Press (suction release) button once to pause suction. Press again to release pressure. Measurements: Pump: 11.6 inches x 2.6 inches overall, 7.75 inches insertion length, 2.2 inches opening diameter.Sleeve opening diameters: 20mm andamp; 25mm. Materials: Pump: ABS plastic, siliconeSleeves: Silicone Color: Clear, Black Note: Use only with water-based lubricants for best results. Key Features: Powerful Suction: Enjoy 4 intensity levels and 3 suction modes that stiffen your willy and suck it intensely! Compatible with Other Sleeves: Use a sexy masturbation sleeve instead of the suction sleeve provided to enjoy the pump as a stimulating stroker! Easy-to-Read Display: Control the level of suction and pressure with an easy-to-read display and control panel. Detachable Sleeves: Use either the 20mm or 25mm premium silicone sleeves for a sight seal against your shaft. Waterproof, Rechargeable, Easy to Clean: Rated IPX7, it is waterproof and can be submerged underwater for up to 30 minutes. Easily clean e detaching the sleeve and the motor to wash parts separately. Recharge via the USB cable.