With the TOYJOY Manpower Automated Power Pump, you can sit back, relax, and enjoy hands free pumping pleasure. The whisper-quiet operation and adjustable intensity modes provide an amazingly effective experience, either for pure pleasure or for endurance training. With the ruler etched on the tube you can easily measure your progress. This pump can also be a great help when suffering from erectile dysfunction. Last but not least, it is rechargeable and cordless with a long-lasting battery. Enjoy a next level of pumping power with this Automated Power Pump.