Grow a bigger. harder erection with the latest in pump technology. Reach your full performance potential. measure your progress. and fine-tune the pump setting that`s right for you!Slip inside the soft silicone sleeve and get circulation moving into your shaft with push-button ease andndash;andndash; safely andamp; incrementally. A digital display lets you ramp up or decrease pressure instantly. USB rechargeable. Dismantles for easy cleaning.Smart penis pump for harder erectionsDraws circulation to penis safely andamp; incrementallyandlt;CRLFandgt;Choose from 2 modes: Intelligent andamp; Manual5 different pressure pre-sets: from low to highDigital display scientifically tracks kPa (kilopascal) pressureClear tube shows growth in inches andamp; centimeters1 creamy-smooth silicone sleeve provided1 extra silicone O-ring provided12.25andrdquo; long. 8.25 able. 3.08 wideTube comes off for easy cleaningRechargeable. 3-5 hours of play per charge. USB cable andamp; instructions includedSuggested use: about 15 minutes a day