ZD-02-S Automatic Penis Pump   This USB rechargeable auto pump delivers most powerful suction, with the push of a button, the quiet however powerful motor creates a super strong vacuum inside the chamber, to bring you a quickly erection. not only is it a highly recommended simple effective way of enhancing the size of your penis in both length and girth but it can also help men to greatly enhance their sexual performance . The crystal sleeve sleeve magnifies your penis, and make it possible for you to enjoy realistic suction and deep throat stroking action at the same time    

• Fully automatic one-hand operation.
• Innovative pump feature allows you to add or remove air at the push of a button.
• Enjoy realistic suction and deep throat stroking action at the same time.
• The magic crystal clear sleeve magnifies your penis, offering unmatched visually stimulation.
• Transparent cylinder with imperial and metric incremental measurements.
• Super soft medical grade silicone sleeve helps create a tight seal and very comfortable sucking action.
• Very quiet operation.
• Battery and USB rechargeable models.
• Easy to disassemble and clean.

  Specification : Total Length :  305mm Insertable Length: 220mm Cylinder Inner Diameter :  61mm Material : ABS ( head ), PS (cylinder ), TPR / TPE ( sleeve ). Battery :  USB rechargeable built in Lithium Battery Charging Time : 120 minutes Running Time :  120 minutes Waterproof ; The head with buttons can’t be washed with water . Transparent cylinder and sleeve are removable & could be washed with toy cleaner / warm water .