The ZOLO Jerkmaster is the ultimate stroke-and-suck masturbator designed for unparalleled pleasure. Adjust the vibrations and suction modes, or turn on the warming function for a truly customizable experience. The multi-ribbed sleeve with soft and nubby textures enhances pleasure. The fully manual pressure trigger allows you to control the pressure and thrusting speed. Five suction modes and five vibration patterns combine to make ten unique functions. The Jerkmaster is USB rechargeable and is made from hypoallergenic materials.5 vibration patterns and 5 suction modes a total of 10 unique functionsWarming FunctionDiscreet and concealed with a stylish black caseMade from hypoallergenic silicone and ABS plasticUSB RechargeablePower Lithium Ion BatteryUSB RechargeableLength 8.75 inch, 22,2 cmWidth 3.25 inch, 8,3 cmWeight 1.27 lbs, 576 grIncludedMasturbatorBlack Travel BagUSB Charging CableInstruction Manual