The electric penis enlargement toy\'s working principle is quite easy. By pumping out the air inside the sleeve via the vacuum pump the negative pressure is produced to attract and pull the penis. The pressure will function every piece of muscle of corpus cavernosum of penis. With goal to exercise penis, it is thickened and lengthened . The sleeve is applied the edible-degree drop-resistance anti-cracking property, which is quite safe and durable in use. It uses 3 pcs of AAA batteries, which is safe convenient and power is strong. The built-in electric pump can automatically pump and exhaust air via pressing the function button. All are electrically controlled and your hands are freed.



Made of superior medical high polymer materials, safe non-poisonous and odourless.
Ultra-silent,strong power and quick air exhaust. Sleeve can be detached,easily portable and easy to wash.
Electric control of vacuum air exhaust technology, which is safe and convenient.
2-key control are easy to operate. The product\'s package has the anti-counterfeit label, which can be checked on utimi website.
Scientific adjusting of vacuum suction intensity, which can effectively physically enlarge penis.



Features:
Material: Medical silica gel,ABS
Net weight: 11.14oz
Color: Black, White(random)
Size: 11.41inch high and diameter is 3.15inch
Battery: 3 pcs of AAA batteries(not included)
Package list: 1 pcs of sex toy