There are two kinds of training methods. One-piston thrusting stimulates the head of the penis. 2 Rotating around to stimulate the head of the penis. You can make your sex time longer by two methods.
10 vibration modes
Different vibration modes allow your penis head to receive different stimuli to achieve immense immunity to prolong sex time.
Physical size chart
USB charging diagram
Product internal structure
There are many raised stimulating points inside the product to help you better stimulate the head of the penis.
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