Dorcel - Hydro Pump - Rechargeable Penis Pump - Black Introducing Dorcel's Hydro Pump: a rechargeable water and air penis pump. The pump is powerful, comfortable and customizable to fit all sizes. By using the power of water and air, erections will become stronger and longer. Strong vacuum with hydraulic or air pressure Silicone sleeves available in 3 sizes Measuring gauge to track process Safe pause program Dissamble for easy cleaning Splashproof USB-rechargeable Insertable length: 20.7 cmCharging time: 1 hourRunning time: 50 times after fully charged