When the masturbator moves up and down your shaft, you will feel titillating details, such as ridges and knobs, on the innerside of the soft vagina sleeve.
In addition, the Ultimate Piston has a practical suction cup base, so that you can allow the 10 patterns and 5 speeds pamper you, completely hands-free.
Automatic thrusting once the penis is inserting.
Lithium battery standard voltage 7.4V, 1500mAh.
charging: full of charge around 3 hours.
lasting work around 3 hours of each full of charge 5 thrusting modes.
3 speeds of each mode.
Build-in sexy voice, the moaning changes depends on the different speeds.(earphone only)